English

epigene

From epi- + -gene.

A compound of epi- + -gene

Proto-Indo-European *h₁épi ‘on’

Proto-Hellenic *epí

Ancient Greek ἐπί ‘on, upon’

English epi-

Today it means

adj Foreign; unusual; not natural to the substance in which it was found.

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