subcategory.
With respect to a given category; a narrower category.
Meaning & usage
With respect to a given category; a narrower category.
A subclass of a category which is itself a category, whose arrows are a restriction of the arrows of the parent category, and whose composition rule is a restriction of the parent category's.
Where this word comes from
Etymology tree Proto-Indo-European *upó Proto-Italic *supo Latin sub Latin sub-der. English sub- 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) Pre-Greekder.? Proto-Hellenic *-eús 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 English subcategory From sub- + category.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.