English

hemiterpene

From hemi- + terpene.

Proto-Indo-European *sem- ‘one, whole’

Proto-Indo-European *sēmi ‘half’

English hemi-

Ancient Greek τερεβινθίνη

Old French terbentine

Middle Dutch terpentijn

German Terpentin ‘turpentine’

German Terpen

Today it means

noun any terpene formed from a single isoprene unit, and having five carbon atoms

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

Etymograph / hemiterpene