functor

English

/ˈfʌŋktə/

noun
Definitions
  • (grammar) A function word.
  • (object-oriented programming) A function object.
  • (category theory) A category homomorphism; a morphism from a source category to a target category which maps objects to objects and arrows to arrows, in such a way as to preserve domains and codomains (of the arrows) as well as composition and identities.

Etymology

Root from Proto-Indo-European *bʰewg- (enjoy, flee, benefit, bend, curve, arch).

Origin

Proto-Indo-European

*bʰewg-

Gloss

enjoy, flee, benefit, bend, curve, arch

Concept
Semantic Field

Motion

Ontological Category

Action/Process

Kanji

Emoji

Timeline

Distribution of cognates by language

Geogrpahic distribution of cognates

Cognates and derived terms