Where does “trilocular” come from?

trilocular (English) comes from English locular, from French loculaire, from French -aire, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

trilocular (English): Having three cells or cavities

Definitions

  1. Having three cells or cavities

Ancestry of “trilocular”, step by step

trilocular traces back through 3 separate lines of ancestry.

via English locular

StepLanguageWordMeaning
1EnglishlocularHaving a loculus or compartment
2Frenchloculairelocular
3French-aire-ary; -aire
4Latin-āriuser
5Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)

via English tri

StepLanguageWordMeaning
1Englishtritriathlon; triangle
2Proto-Indo-Europeantréyesthree

via French triloculaire

StepLanguageWordMeaning
1Frenchtriloculairetrilocular
Every word from Proto-Italic *-āziosEvery word from Latin -āriusEvery word from French -aire