English

keratogenetic

From kerato- + genetic.

Ancient Greek κέρας ‘horn’

Proto-Indo-European *ǵenh₁- ‘to beget’

…

Proto-Hellenic *gígnomai

Ancient Greek γίγνομαι ‘I come into being’

Ancient Greek γένεσις ‘origin, source’

English genesis

Today it means

adj Relating to keratogenesis.

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

Etymograph / keratogenetic