English

acetachlor

Possibly a shortening of acetic + chlorine.

Latin acēre ‘to be sour’

Latin acētum ‘vinegar’

French acétique

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

Proto-Indo-European *ǵʰl̥h₃rós

Proto-Hellenic *kʰlōrós ‘greenish-yellow, pale green’

Ancient Greek χλωρός ‘pale green’

Today it means

noun A particular herbicide.

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

Etymograph / acetachlor