Etymograph

English

hexacosene

From hexa- + -cos- + -ene.

Formed from hexa- + -cos- + -ene

Proto-Indo-European *swéḱs ‘six’

Proto-Hellenic *hwéks ‘six’

Ancient Greek ἕξ ‘six’

English hexa-

Today it means

noun Any unsaturated aliphatic hydrocarbon that has twenty-six carbon atoms and one double bond, but especially 1-hexacosene or 9-hexacosene

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

Etymograph / hexacosene