English

haematogenetic

From haemato- + genetic.

Ancient Greek αἷμα ‘blood’

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 haematogenesis.

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

Etymograph / haematogenetic