English
profunctor
From pro- + functor.
Proto-Indo-European *pér ‘through’
Proto-Indo-European *pró ‘forwards, before’
Proto-Italic *prō ‘in front of, before’
Latin prō ‘in favor of, on behalf of’
English pro-
The story
Pro- is in the sense of projective.
Today it means
noun A generalization of a relation in category theory
Sources
Sources: Wiktionary, “profunctor”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / profunctor