English

hexachloroacetone

From hexa- + chloro- + acetone.

Proto-Indo-European *swéḱs ‘six’

Proto-Hellenic *hwéks ‘six’

Ancient Greek ἕξ ‘six’

English hexa-

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 An organic compound used mainly as a pesticide.

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

Etymograph / hexachloroacetone