Chapter Summary

A named historical period referenced in mathic accounts and Saecular media. The Dictionary uses "late Praxic Age" as a period label, including when glossing commercial terminology behind the acronym "Ita."

The Ita are a practical, segregated organization within the mathic world that operate and maintain syntactic‑device subsystems tied to the great clock. At the concent they work from quarters adjoining the Mynster, tending the clockworks and coordinating visitor placement and device restrictions.

A collective term for three historical sackings of the concent, also referred to as Sacks-General when distinguishing them from local sacks.

An avout in a Decenarian math at the Concent of Saunt Edhar. A peer of Fraa Erasmas known for winding the great clock at Provener and for precise, traditional habits; he contributes to Iconographies reviews and is observed during Decennial Apert preparations.

An authority within the mathic community who enforces the Discipline and assigns penance; the office is also tied to an inward-facing watch from high windows beneath the rooftop aerie, complementing the Warden Fendant’s outward watch.

Suur Trestanas is a suur who serves as the Warden Regulant within the Decenarian math, appointed by the Primate to enforce Discipline; she now resides in the Primate's Compound. She has assigned penance (notably to Fraa Lio after a clock-winding lapse).

The central tower of the Mynster that carries the four great clock dials and anchors the upper works, including the starhenge. It houses the main weights and winding mechanisms that drive the community’s great clock.

The most recent of three historical sackings of the concent. It is cited as a turning point after which standards declined, and its aftermath left the concent largely empty for decades while the great clock sustained itself in hibernation.

A complex assembly of megaliths, domes, pent houses, and turrets mounted atop the Præsidium’s roof within the Mynster, mechanically coupled to the great clock. At sunrise, a quartz prism at its summit channels light down a well into the building.

An avout in a Decenarian math and a peer of Fraa Erasmas. Solidly built and sometimes called "Thistlehead," he serves on the clock-winding team, is known for inventing new wraps, and can be physically demonstrative with friends.

A revered figure invoked in mathic liturgy, associated with the dawning of Light and the transition from chaos; named in the hymn as the father of Hylaea and Deät. Outside the maths, Cnoüs is also cited in Sæcular iconographies as the supposed source of hidden mysteries.

A named high ledge within the Mynster associated by name with the Warden Fendant. It is mentioned as reachable by a spiral stair rising in the Tenners’ southwest corner of the Mynster.

An extramuros movement centered on a figure styled as the Warden of Heaven that claims a connection to the mathic world and distributes casts. Avout identify it as a contemporary guise of a recurring Moshianic iconography that anticipates avout emerging to enlighten the Saecular world, and they deny any affiliation.

A named hour within the Mynster’s routine, signaled by the great clock’s chimes. Commonly treated as a daily observance during which the clock is wound; visitors may be permitted to observe from the North Nave under supervision.

A mathic cohort also called the Hundreders, whose gates open only once each century. Neighbors describe them as maintaining their own math across the meadow and preparing for Apert by questioning others through a grated room in the upper labyrinth.

A legendary or apocryphal mathic order said to operate on a ten-thousand-year cycle. Mentioned in discussion at Saunt Edhar as a claim by avout who supposedly emerged at an Apert, its existence is disputed and often treated as illustrative rather than historical.

One of the three historical sackings affecting the Concent of Saunt Edhar. It is cited as the time when the pipe-organ that once stood in the Mynster's east nave was torn out; later, stricter Discipline banned other musical instruments. Mathic sources also use it as a dividing line for later reforms: up to the Second Sack, Ita were a faculty; afterward, syntactic devices were proscribed and the Ita became a tolerated, segregated caste where Great Clocks require their work.

A named period of upheaval referenced by the mathic community, frequently mentioned alongside the Harbingers and placed before the Reconstitution. Surviving accounts are fragmentary; in its aftermath, the Hylaean Anathem was revived in a clock-centered form.

One of the named iconographies used in the Saeculum to caricature the mathic world. It portrays avout as guardians of ancient mystical secrets handed down by Cnous, with talk of theorics presented as a smokescreen for hidden power.

The east-facing nave of the Mynster, officially the building’s formal entrance. It is currently little used and generally stands empty.

A math set on a crag east of the Mynster, home to the Millenarians (the Thousanders). It connects to the Mynster by a covered, hand‑carved stone stair that reaches the southeast corner.

Eliger is a ceremonial selection and vow-taking rite, signaled by bells after Apert, in which Tenners publicly choose and are bound to an order within the mathic community.

A term for avout in the Unarian math. In rare cases, an exceptional One-Off may pass early through the labyrinth to join the Decenarians rather than waiting until Apert.

A formal convocation associated with the language Orth. The A.R. 3000 session is cited as the moment when the term “saunt” was accepted into standard usage.

A fid in a Decenarian math who takes part in Grandsuur Tamura’s discussion on iconographies before Apert, offering the origin of the Temnestrian iconography.

A communal dining hall and kitchen within a math, reached from the Cloister's covered walkway. Avout prepare meals here, and the kitchen faces a small herb garden shaded by a deep overhanging eave.

An official written record kept within a math for entries required by the Discipline; in plural (“the Chronicles”) the term also denotes the concent’s collected historical records consulted by avout during liturgy and study.

An Orth term denoting the world outside a math’s walls. Its nuance shifts across eras, ranging from the literal “outside the walls” to broader senses of the non‑mathic world and nearby settlements beyond a math.

A handheld device used extramuros to capture moving‑picture recordings (often called speelies), also known to some avout as a Farspark chambre. Such devices also appear as public installations outside the walls; their use within the math is restricted and supervised.

An extramuros craftsman allowed into the New Library to repair a damaged rafter before Apert. A follower of the Warden of Heaven, he later watched Provener from the Mynster’s north nave but, according to Artisan Quin, did not record a speely due to restrictions on his high‑spec speelycaptor.

The sphere of life and institutions inside the walls of the maths, contrasted with the non‑mathic world outside (extramuros). It encompasses the avout communities, their rules, and their ways of speaking and working.

An order within the mathic community, formally known as the Order of the New Circle, led by a First Among Equals. It maintains a chapter house within the concent; associated figures include Fraa Corlandin (FAE) and Suur Trestanas (a member who serves as Warden Regulant).

The concent is the complex of buildings and grounds belonging to a mathic community. It is described as the area spread below the Mynster, much of which can be observed from the Warden Regulant’s windows.

A legendary figure in Saecular lore associated with the mathic world, imagined to alter physical reality by coded utterances. Popular fiction amplified the idea; within the maths it serves as shorthand for implausible power, and some scholars link such misconceptions to the Third Sack.

A senior avout bearing the Grandsuur title who instructs fids within the Concent. She is seen leading a rigorous review of the Iconographies around Apert and has authority to permit fids to go extramuros.

A mythic figure invoked in mathic liturgy, described as a daughter of Cnous who brings his Light; central to the Hylaean Anathem. Avout also refer to "mother Hylaea" when speaking about abstractions.

A young suur (female avout) and fid in a Decenarian math. She is noted as the self-appointed boss of the bell-ringing team and is regarded by peers as most likely to become Warden Regulant.

An astronomical nebula named for Saunt Tancred, referenced in a study exercise within the mathic community. It appears as an image on a photo-mnemonic tablet used for questions about the formation of heavy nuclei in the cores of stars.

A title in the mathic world for junior learners within a math, used collectively and as a formal style of address before a given name (e.g., "Fid Erasmas"). Fids study and work under elder avout and often move as a cohort or "crop" toward transitions around Apert.

A venerated figure referenced only through the eponym "Saunt Tancred's Nebula." As presented so far, Tancred is known solely as the namesake of a nebula used in study exercises about the formation of heavy nuclei in stars.

A walled scholarly enclave whose members live under a strict Discipline, distinct from the surrounding extramuros world. Maths are central to the "mathic" world and are protected and regulated, with limited use of technology inside their walls.

A decennial cohort within the mathic world whose members—called Tenners—live in a Decenarian math. Their gates open during Apert for a brief period, allowing limited exchange with visitors and short ventures outside.

A cohort within the mathic world, also referred to as the Thousanders. Their math stands on a crag overlooking the Mynster, and they are associated with deep-voiced parts in the rite at Provener; outside the walls they are better known through rumors than confirmed accounts.

Monumental timekeeping mechanisms around which certain concents were built. Their works power gates and astronomical add‑ons; in those concents, Ita maintain syntactic‑device subsystems under strict segregation from the avout.

A decennial observance within the mathic world when the Decade Gate opens at sunrise, accompanied by a music-led rite and the concurrent opening of the Year Gate. It is the ten-year instance of Apert and briefly permits regulated contact between the math and extramuros.

A Tenner-level avout at the Concent of Saunt Edhar. He shares a cell with Fraa Erasmas and Fraa Arsibalt and is seen preparing formal wraps and joining the community in the Mynster during Apert.

The Discipline is the rule-set that governs life inside the maths, defining what avout may possess and how they are expected to conduct themselves. At Saunt Edhar it is described as permitting a minimal personal kit (bolt, chord, and sphere), with local practice allowing footwear during Apert and in cold months without punitive action so far.

A disciplinary authority referenced by avout as an enforcer of rules within the mathic world. It is invoked as the body that could punish communities for stretching or violating strict practices, with no direct action observed in the current context.

A term used in mathic sources for a numbered series of historical crises or turning points. The era associated with them is often mentioned alongside the Terrible Events, and its details are obscured by poor record preservation.

An in‑world expression referencing Cnoüs, invoked as a figurative light before which a saunt might gaze in rapt contemplation. It is mentioned in the context of avout ritual at Apert and is tied to sauntly iconography.

A late Praxic Age metatheorician associated with the Circle and later venerated as patron Saunt of the Syntactic Faculty. He is assumed to have been liquidated in the Terrible Events, and his name is used in the mathic world as shorthand for a particular "Procian" interpretive stance.

A named historical dispersal referenced in mathic liturgy. It is cited as a turning after the Old Mathic Age and before the Praxic Age, during which older rites fell out of practice, later contrasted with their revival after the Terrible Events and the Reconstitution.

A colloquial subset of Vale-lore concerning the behavior and control of fire, including practices like setting counterfires—invoked by avout as “fighting fire with fire.”

A simple knot used by avout to secure the bolt of their garment for modesty. It is observed in use when Lio wraps the selvage end of his bolt around his waist and between his thighs.

An order within the mathic world that occupies the west nave of the Mynster; members wear green robes and at times lead the singing during Provener. Individuals in the Unarian math are sometimes called One-offs, with rare early graduation to a Decenarian math noted for exceptional cases.

A concept describing a person who has been cast out of the mathic world ("Thrown Back"), and a label used by avout to classify such a figure—considered dangerous when adopting the stance of a mystagogue.

Ecba is a named geographic formation of black volcanic rock, cited as the source of stone for the great clock’s counterweights on the Praesidium within the Mynster. The Dictionary also records an ancient eruption of Ecba; historical accounts place the Halls of Orithena on its black rock.

An ancient ceremonial complex remembered for its marble-columned dome where theors gathered at midday beneath an oculus. Its rite is cited as a precursor to elements of mathic liturgy now practiced within the Mynster.

A term in the mathic lexicon whose meaning has shifted across eras of Orth: originally a theoric mentor focused on unsolved problems, later a member of a restrictive suvin that discouraged open theoric work, and in current usage a pejorative for those seen to resemble the latter.

A historical period in the mathic world when a liturgy, drawn from older rites, was practiced throughout the maths. Later descriptions associate it with an "ur-Procian" interpretive trend shortly before the rise of the Mystagogues.

A long strip of cloth worn by avout as part of their everyday habit. It serves multiple purposes—hood, wrap, and modesty covering—and is commonly secured and adjusted with a chord.

The south-facing nave of the Mynster, reserved for the Centenarians and directly reachable from their side of the meadow. It serves as their principal gathering space for rites viewed through the chancel screen.

An extramuros term for moving‑picture recordings and broadcasts. Avout refer to it when contrasting their meaning of "screen" with the outside world’s usage.

A minor entrance on the meadow side of the Mynster, used as an alternative approach to the Ten-year community’s corner of the building.

A personal, size-adjustable ball used by avout within a math for sitting and balance, often cited alongside the bolt and the chord as part of their minimal kit. It can be shrunk to palm size by tracing counterclockwise circles on its surface.

A simple cord worn by avout around the waist to secure and adjust the bolt; it is also used to tie and carry a rolled bolt when slung over the shoulder. Commonly cited as one of the three personal items along with the bolt and the sphere.

A recurring set of named stereotypes and narratives by which people in the Saeculum depict the avout and the mathic world. Avout study these patterns to anticipate outsider attitudes and reactions during contact extramuros.

A recurring popular image of the mathic world derived from a Praxic Age entertainment about the villain Yorr. It portrays avout—often labeled as theors—as criminally deranged praxic schemers bent on taking over the world.

A named iconography from a Praxic Age entertainment serial that shapes how some in the Saeculum view the avout. It casts avout as valuable, highly rational specialists whose very strengths make them seem emotionally limited and subordinate to intuitive leaders.

A young avout in a Decenarian math, noted by Fraa Erasmas and addressed as Fid during instruction. She shows quick insight during a review of the Iconographies.

A named order within the mathic world associated by name and outlook with Saunt Proc’s syntactic tradition. In popular iconography, "Rhetors" are said to be linked to the Procians, though avout caution that such portrayals blur distinctions among orders.

A fictional villain from a Praxic Age entertainment serial, used as shorthand for a popular iconography that portrays avout as dangerous, scheming experimenters. In portrayals he is a green-skinned, tentacled laboratory figure labeled a theorician but behaving like a praxic.

Rhetors are a group named in popular accounts about the mathic world. In Saecular iconographies they are portrayed as masters of persuasion, supposedly linked to Procians and often set against Incanters.

A rare, thousand-year opening associated with the mathic gate system. In current discussions it is invoked within the Moshianic iconography, which anticipates the avout emerging through the gates to enlighten the Saecular world and draws pilgrims.

A recurring outsider belief pattern about the avout that predicts they will emerge from their gates to enlighten the world. Considered highly dangerous because it inflames expectations and draws crowds; it is described as ascendant in connection with a figure styled as the Warden of Heaven.

A label invoked in popular entertainments as the supposed heritage of fictionalized Incanters. The Dictionary notes this alleged association as part of exaggerated portrayals that some failed to distinguish from reality prior to the Third Sack.

One of the named iconographies by which people in the Saeculum depict the avout. It frames the theor as an awesomely wise elder statesman who can solve the problems of the Saecular world.

A formal order within the mathic world; its members are referred to as Edharians. The name is also used informally to describe a working circle associated with Fraa Orolo.

A named iconography—one of the recurring caricatures Saeculars use to simplify the mathic world—portraying avout first as harmless fools and then as sinister corrupters. Traced to the satirical play The Cloud-weaver by the Ethran playwright Temnestra; it is regarded as highly dangerous in practice.

A young avout in the fids' crop at the Concent of Saunt Edhar. During a chalk-hall session led by Grandsuur Tamura, he explains the Temnestrian Iconography.

A rare opening of the hundred-year gates associated with the mathic world. The approach of this event heightens expectations among outsiders and can draw large numbers of visitors.

A named iconography within the set of recurring caricatures used by people in the Saeculum to depict the avout. It portrays avout as high‑strung, nervous, meddling know‑it‑alls who lack physical courage and yield to more masculine Saeculars.

A larger teaching hall within the Cloister at the Concent of Saunt Edhar, named for Saunt Venster. It is used for lessons and gatherings and is noted to have more room than Saunt Grod's Chalk Hall.

A named iconography in which people in the Saeculum portray the avout as cynical frauds living in comfort at the common people’s expense. It is one of the recurring patterns avout study to anticipate outsider attitudes.

A fid in the mathic community who takes part in Grandsuur Tamura’s review of popular iconographies. He offers an identification of the Temnestrian view and makes a blunt remark about Rhetors that draws reactions from peers.

A fid in the current cohort at the Concent of Saunt Edhar, noted during a chalk‑hall review of the Iconographies led by Grandsuur Tamura. He offered that the Doxan iconography posed a low danger, reflecting conditions familiar to the avout.

A term for a kind of mathematics referenced during a discussion of how people in the Saeculum portray the mathic world. In the Rhetors iconography, Unarian maths is alleged to be used to recruit and groom minions for placement as Burgers.

A small chalk hall named for Saunt Grod within the Cloister at the Concent of Saunt Edhar. It serves as a teaching room for fids and features a stained‑glass window above the slate depicting Saunt Grod and his assistants under duress.

A formal retirement rite in the mathic community. It is signaled by bells; avout assemble in the Mynster while the Primate announces the retiree and the chants of the aut are sung.

One of the named Iconographies used by Saeculars to picture the mathic world, depicting avout as eccentric, lovable, disheveled theoricians—absent‑minded but well‑meaning. It is studied by avout to anticipate how outsiders may react during contact.

A fictional theorician and starship second-in-command from a Praxic Age moving-picture serial. His name is used for the Doxan Iconography, which portrays avout as useful but emotionally limited and subordinate to intuitive leaders.

The New Circle Chapter House is the Order of the New Circle’s house within the Concent of Saunt Edhar. It is referenced as a place where members of the order share information.

An adjective used to identify the playwright Temnestra; the term indicates Temnestra’s origin or cultural affiliation and is cited in connection with the Temnestrian Iconography. No further details about Ethran are provided in the current text.

An avout-in-training who, during a review on Iconographies led by Grandsuur Tamura, explains the origin of the Doxan Iconography. Part of a cohort of thirty-two fids granted permission to go extramuros during Apert.

An Ethran playwright credited with the ancient satirical play "The Cloud-weaver." The work mocks Thelenes and is cited as the origin of the Temnestrian Iconography; it was used as evidence in Thelenes's trial.

A satirical play by the Ethran playwright Temnestra that mocks Thelenes; cited as the origin of the Temnestrian Iconography and said to have been used as evidence in Thelenes's trial.

Regred is the retirement status within the mathic community. It is invoked by the aut of Regred, a rite signaled by bells when a member chooses to go into retirement.

Saunt Grod is a venerated figure in the mathic world, known at the Concent of Saunt Edhar for a chalk hall that bears his name. A stained-glass window there depicts him and his research assistants being beaten in the dungeons of a Praxic Age spy bureau.

A venerated saunt in the mathic tradition, presently known in this account only as the namesake of a larger hall within the Concent of Saunt Edhar.

A short, proscribed list of plants within the mathic world, handled with burn-on-sight procedures; occurrences are recorded in the Chronicle. The exact members have not been enumerated in the narrative so far.

A library building within a Decenarian math, used by avout and occasionally accessed by supervised visitors for necessary repairs. It hosts study and interviews and comes into focus when an extramuros artisan is admitted to address a rotted rafter shortly before Apert.

A historical group led by Saunt Proc during the late Praxic Age that advanced an extreme syntactic position about meaning. Its name is echoed in the present-day New Circle; no direct organizational continuity has been described.

A mathic complex named for Saunt Muncoster, noted in a historical reference for housing a Syntactic Faculty. Following the Reconstitution, Saunt Proc is identified as patron of that faculty.

A historically named crisis or turning point referenced in mathic sources, the second in a numbered sequence of Harbingers. It serves as a temporal marker for a brief window of stability in the late Praxic Age; its precise nature has not yet been described.

A faculty within the Concent of Saunt Muncoster, later venerated under Saunt Proc as its patron following the Reconstitution. The Dictionary presents it as the progenitor of orders tracing their descent to it, contrasted with those originating from the Semantic Faculty under Saunt Halikaarn.

An academic division within the Concent of Saunt Muncoster identified as the counterpart to the Syntactic Faculty. Orders originating from it are associated with the patron Saunt Halikaarn.

A mathic practice for bringing people directly from the extramuros world into a math to become avout, typically conducted during Apert. It complements graduation from the Unarian math to maintain community numbers.

A named historical crisis or turning point referenced in mathic sources, the third in a numbered sequence of Harbingers. It serves as a temporal marker bounding a brief window of stability late in the Praxic Age.

A colloquial label used by an avout for delivering a withering analytic critique in conversation; the name alludes to Thelenes. The term marks an intent to dismantle someone’s remarks rather than engage in polite chitchat.

A venerated figure in the mathic world and the namesake of a Concent. In the current account, Saunt Muncoster is mentioned only indirectly via a Dictionary note about faculty patronage at the Concent of Saunt Muncoster, with no personal biography given.

A revered Saunt regarded as patron of the Semantic Faculty; mentioned in contrast to Saunt Proc and the Syntactic Faculty in an in‑world reference.

A term used to describe an insufferably smug or pedantic interlocutor. The usage derives from the historical figure Kefedokhles as defined in The Dictionary (4th edition, A.R. 3000).

A historical figure associated with the Halls of Orithena whose long-winded debating style is remembered in the great dialogs; his name has become a byword for a smug or pedantic interlocutor.

A term used by avout for the worldly realm outside the concents, contrasted with the mathic world and associated with the Sæcular Power. It is treated as a counterpart the maths are meant to balance rather than accommodate.

A label used to characterize a view of the Concent as a defensive bastion set in opposition to the Saecular world. It appears in discussion as shorthand for an oppositional, fortress-like stance; some avout, notably Fraa Orolo, reject the designation even while affirming the idea of the mathic world as a counterbalance rather than an accommodation.

A treatise by Saunt Cartas regarded as foundational to the mathic world, framing the community as a counterbalance to worldly authority. It is cited as arguing against the notion that the Sæcular Power can or should "reform" the maths.

A concept describing a figure in a low‑technology society who brandishes a found artifact (such as a glass bottle) to awe others and claim reflected power. In discussion, Fraa Orolo characterizes Bottle Shakers as not inherently dangerous because they are easily impressed.

A revered figure in the mathic tradition, cited as author of the Saeculum—a foundational text for the mathic world. In current discussion, she is invoked for framing the maths as a counterbalance to the Saecular world, not an accommodation to it.

A suur in a Decenarian math who is seen working with Suur Ala to make sandals from tires near the kitchen. She is observed by Fraa Erasmas, who admits a crush on her.

A historical catastrophe associated with Ecba. It is chiefly known in surviving accounts by references to those who lived through it, such as Kefedokhles of the Halls of Orithena.

An intellectual current or school referenced within the mathic community, cited alongside the New Circle as an influence on students. Only the name and its co-listing are given so far; no doctrine is explained in the text.

A philosophical position referenced in The Dictionary. In the dialog Uraloabus, Thelenes is credited with its systematic annihilation, culminating in the title character's public suicide.

A historically named cohort of "Peregrins" referenced in an in‑world dictionary. Kefedokhles, a fid from the Halls of Orithena who survived the eruption of Ecba, is identified as a member.

A named night associated with Apert when rowdiness from outside the walls is anticipated. It is mentioned in connection with preparations by mathic authorities to safeguard valuables and maintain order.

A philosophical dialog referenced in The Dictionary that features Thelenes and is noted for its devastating critique of Sphenic thought, ending with the title character’s public suicide.

Also called the Century Gate, a clock-driven portal within the Mynster’s gate system that opens on a hundred-year cycle. It parallels the Year and Decade gates and is associated with the Centenarians’ rare Apert.

An extramuros body of officials noted for visiting communities at the new moon in sealed purple boxes; cited as one of the ways crimes are handled outside the mathic world.

A colloquial extramuros label for the governing authorities that maintain order, surveillance, and punishments; roughly corresponding to what avout call the Saecular Power.

A term for static pictographic symbols used outside the maths to convey simple instructions or information; contrasted with moving-picture Kinagrams and with reading Orth text.

A high‑resolution imaging feature cited as part of an extramuros speelycaptor. Mentioned alongside “SteadiHand” and “DynaZoom,” it was referenced as a reason a recording device was considered too capable to be permitted inside the Mynster.

A section of the labyrinth within the concent that separates the Decenarian Math from the Centenarian Math. It is used for controlled exchanges with the Centenarians, including questioning across a grate in preparation for the Centenarian Gate and their rare Apert.

A named feature associated with extramuros speelycaptors, cited alongside Eagle-Rez and DynaZoom as part of a high-end setup. It is mentioned in connection with concerns about recording inside the Mynster.

A restrictive movement within the maths in Late Middle Orth. According to a dictionary account, such a suvin held that no further theoric problems could be solved, discouraged theoric research, and locked libraries; its influence ended with the Rebirth.

A named capability or component of an extramuros speelycaptor, cited alongside Eagle-Rez and SteadiHand as part of a high-performance imaging setup. Its presence was given as a reason to block recording of Provener inside the Mynster.

A named historical turning point in the mathic world’s timeline. It is cited as the point after which the Mystagogue suvin no longer dominated the maths.

A vehicle term used in the world outside the maths. Avout describe hearing mobes driving by beyond a concent’s walls, indicating their commonplace presence extramuros.

The octagonal central space at the heart of the Mynster, enclosed by eight perforated screens and opening toward four great naves. It serves as the primary ceremonial and mechanical locus where avout assemble and wind the clock.

The inhabited world on which the mathic communities and the extramuros society exist. It is referenced in descriptions of the great clock as having a metallic core like the meteorite weight used to wind the Mynster’s works.

A liturgical hymn sung by avout during the daily winding rite at Provener inside the Mynster. It addresses Hylaea and exists in many authorized versions; a unison passage is used to help break static friction and set the great clock’s winding in motion.

A rarely used, clock-driven portal associated with the Mynster’s great clock. It is actuated by an icosahedron-shaped auxiliary weight on the Præsidium and opens on a millennial cycle alongside other time-governed gates.

The vast airy space behind the Præsidium’s dials in the Mynster where the great clock’s chains, gears, and escapements converge. It is tended by the Ita and houses upper works critical to keeping the clock running during winding and rare interruptions.

One of the four cardinal naves of the Mynster, aligned with the north façade. It serves as the entry and viewing space for extramuros visitors allowed to observe auts such as Provener.

The western nave of the Mynster, used primarily by the Unarians. It is noted for the finest stained-glass windows and stone-carving among the four cardinal naves.

A term within the mathic tradition for learned thinkers whose theoretical perspective and practices shaped liturgy and scholarship. Historically described as gathering under the Halls of Orithena and later withdrawing into the maths, the term remains in current use within avout discourse.

A named gene sequence described as present in crops grown outside the math’s walls. It is associated with reduced melancholy and greater ease in dismissing such thoughts among those who eat such food.

A term in mathic liturgy symbolizing the pre‑systematic state of thought before Cnoüs. During the aut at Provener, the complex, overlapping music of the Anathem depicts Kaos before resolving into a unison that helps set the great clock in motion.

A plant-like substance treated within maths as strictly proscribed and handled under burn-on-sight procedures associated with the Eleven. It is also noted in liturgical accounts as something consumed by slines.

A large clock-driven orrery located just inside the Day Gate of the Mynster. It is one of the add-ons powered by the Pre6sidium
9s great clock, alongside lesser orreries and the starhenge telescopes.

A named cliff formation associated with Ecba, cited as the source of black volcanic stone used for major components of the Mynster’s clockwork. The stone is described as being hauled over the North Pole to reach the math.

A polar location on Arbre mentioned as part of a long overland route used by sledge trains hauling black volcanic stone from the Cliffs of Ecba for the great clock’s components.

An extramuros religious community noted for worship spaces called “arks.” Used by avout as a familiar reference point when describing the layout of a nave and the behavior of congregants during ceremonies such as weddings and funerals.

An ancient center of learning remembered for the Halls of Orithena and a great dome ceremony at midday. It was destroyed long ago; its rites later informed mathic liturgy now practiced within the Mynster.

A named spot along the cloister gallery within a math, used as a passage and gathering space. It has a back exit into a covered alley between chalk halls and workshops, providing a practical route toward the Mynster.

A revered figure within the mathic tradition associated with developments in finite group theorics. According to liturgical accounts, he was Thrown Back by his Warden Regulant and later killed by slines who had first worshipped him after he persuaded them to stop consuming blithe.

A mythic figure invoked in mathic liturgy. Along with Hylaea, Deät is named as one of the two daughters of Cnoüs and is represented musically during the hymn sung at Provener.

A historical migration undertaken by surviving theors after the destruction of Orithena. It is cited as a turning point when older rites fell out of practice before the later retreat into the maths.

An elderly avout at the Concent of Saunt Edhar who routinely opens the Tenners’ screen door in the Mynster before the daily rite of Provener.

A vast timekeeping mechanism at the heart of the Mynster. Its four great dials on the Præsidium are driven by a single set of works, coupled to the starhenge, and display the hour, calendar, lunar phase, and other cosmographical data.

A set of inward-facing gargoyle statues mounted along the sentinels’ walkway atop the Mynster’s roof. Paired with outward-facing Fendant gargoyles, they are associated with the Warden Regulant’s inward watch over the concent.

Outward-facing gargoyles set on the braces beneath the sentinels’ walkway around the Mynster’s roof, associated with the Warden Fendant’s aerie in a Decenarian math.

A term in Orth with two historical senses: originally an act taken by an individual, and later a formal rite performed by an assembly of avout on behalf of a math or concent.

An authoritative rulebook cited within the math to govern permitted practices. It is specifically used to determine which plants may be cultivated, including a list known as the "One Hundred and Sixty-four."

An old body of books and lore referred to by avout, often shortened to "vlor." It serves as a source of classical terms and examples that avout use to frame discussions and observations.

An original library building within a math that opens directly onto the Cloister. It is noted for an ancient, glass‑smooth stone floor described as far older than the floor of the New Library.

A revered figure cited within the mathic tradition, known for "Saunt Taunga’s Question" about whether a sufficiently large field of cellular automata can think.

A general-type figure referenced in mathic iconography, mentioned among the carved motifs surrounding a Cloister garden within a math. Its precise definition has not been given in-text so far.

A cane-forming plant observed in a math’s Cloister garden. It is not among the One Hundred and Sixty-four plants permitted for cultivation under the Second New Revised Book of Discipline, but also not among the Eleven that must be destroyed on sight.

A dedicated workroom within the math used for copying books and manuscripts. Entered through a stone arch, it is notable for a pervasive ink smell and connects by a smaller doorway to the Old Library on the Cloister.

A named philosophical problem attributed to Saunt Taunga, asking whether a sufficiently large field of cellular automata can think. It is invoked by Fraa Erasmas during a discussion about ant coordination.

An archetypal “general type” referenced in mathic iconography. It is noted among carved figures seen along a cloister walkway inside a math; its specific meaning has not yet been explained in the text.

An extramuros moving-picture device referred to by avout as a "speely-device." Used to view or capture "speely" content; such devices are not kept within the math under the Cartasian Discipline.

An extramuros media system and content format referenced by the avout. It is distinguished from “speely” recordings by extramuros artisans and is associated with older hardware such as a Farspark resonator.

A colloquial term used extramuros for viewing moving pictures on a speely device; within the math this practice is not used due to the Cartasian Discipline.

A handheld device used extramuros with communications and display functions; when its communications are disabled, it can still serve as a pocket‑watch.

An extramuros device associated with the Farspark media system. It is referenced as older equipment that could be used with a down‑converter; the avout interviewed do not possess one.

A device mentioned by an extramuros artisan as an accessory for older Farspark equipment. It is suggested as something that could be paired with a Farspark resonator but is not shown in use.

A historical event referenced in an in‑world dictionary; its aftermath is described as a turbulent and violent period outside the walls. Specific details of the event have not yet been revealed.