English

hexachlorocyclohexene

From hexa- + chloro- + cyclohexene.

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noun Any derivative of cyclohexene in which six hydrogen atoms have been replaced by chlorine

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

Etymograph / hexachlorocyclohexene