English

trigly

Clipping of tri- + glycol.

Formed from tri- + glycol

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

Proto-Italic *tri- ‘three, tri-’

English tri-

Proto-Hellenic *dlukús

…

Andalusian Arabic كُحُول

Medieval Latin alcoho

Middle English alcofol

English alcohol

Today it means

noun Triethylene glycol dichloride.

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