category

noun
/ˈkæ.tɪ.ɡə.ɹi/UK/ˈkæ.tɪˌɡɔ.ɹi/CA/ˈkæ.tɪ.ɡə.ɹi/

Etymology

Etymology tree Proto-Indo-European *ḱe Proto-Indo-European *ḱóm Proto-Indo-European *ḱm̥-th₂der.? Proto-Hellenic *kətá Ancient Greek κᾰτᾰ́ (kătắ) Ancient Greek κᾰτᾰ- (kătă-) Proto-Indo-European *h₂ger- Proto-Indo-European *h₂goréh₂ Proto-Hellenic *agorā́ Ancient Greek ᾰ̓γορᾱ́ (ăgorā́) Ancient Greek -εύς (-eús) Ancient Greek -εύω (-eúō) Ancient Greek ἀγορεύω (agoreúō) Ancient Greek κᾰτήγορος (kătḗgoros) Proto-Indo-European *-eti Proto-Indo-European *-eyéti Proto-Indo-European *-esyéti Proto-Indo-European *-éh₁ti Proto-Indo-European *-yeti Proto-Indo-European *-éh₁yeti Proto-Indo-European *-yeti Proto-Indo-European *-éyeti Ancient Greek -έω (-éō) Ancient Greek κᾰτηγορέω (kătēgoréō) Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-i-eh₂ Proto-Hellenic *-íā Ancient Greek -ῐ́ᾱ (-ĭ́ā) Ancient Greek κᾰτηγορῐ́ᾱ (kătēgorĭ́ā)bor. Late Latin catēgoriader. Middle French categorie French catégoriebor. Middle English English category Late Middle English, borrowed from French catégorie, from Middle French categorie, from Late Latin catēgoria (“class of predicables”), from Ancient Greek κατηγορία (katēgoría, “head of predicables”). Doublet of categoria.

  1. derived from κατηγορία — “head of predicables
  2. derived from catēgoria — “class of predicables
  3. derived from categorie
  4. derived from catégorie

Definitions

  1. A group, often named or numbered, to which items are assigned based on similarity or…

    A group, often named or numbered, to which items are assigned based on similarity or defined criteria.

    • This steep and dangerous climb belongs to the most difficult category.
    • I wouldn’t put this book in the same category as the author’s first novel.
  2. A collection of objects, together with a transitively closed collection of composable…

    A collection of objects, together with a transitively closed collection of composable arrows between them, such that every object has an identity arrow, and such that arrow composition is associative.

    • One well-known category has sets as objects and functions as arrows.
    • The use of the word ‘factor’ shows the explicit intention of categorists to work with functions in an algebraic manner: a category is an algebra of functions.

The neighborhood

Vish — recursive loop

A definitional loop anchored at category. Each word in the ring is defined by the next; follow the chain far enough and it folds back on itself. Scroll to it and watch.

01category02composable03constituent04constitutive05important06relevant07topic

A definitional loop anchored at category. Each word in the ring appears in the definition of the next; follow the chain far enough and it folds back on itself.

7 hops · closes at category

curated · pre-corpus. live cycle detection across the full graph is the next major milestone.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA