Etymograph

English

trichloride

From tri- + chloride.

A compound of tri- + chloride

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

Proto-Italic *tri- ‘three, tri-’

English tri-

Today it means

noun any chloride containing three chlorine atoms in each molecule.

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

Etymograph / trichloride