English

tricholine

From tri- + choline.

Proto-Indo-European *tri- ‘three, threefold’

Proto-Italic *tri- ‘three, tri-’

English tri-

Proto-Indo-European *ǵʰelh₃- ‘green, yellow’

Proto-Hellenic *kʰolā́ ‘gall, bile’

Ancient Greek χολή ‘bile’

Today it means

noun Three choline groups in a compound

Language periods are conventional ranges, not dates for this word.

Etymograph / tricholine