English
intergenetic
From inter- + genetic.
Proto-Indo-European *h₁én ‘in’
Proto-Indo-European *h₁entér ‘between’
Proto-Italic *n̥ter ‘between’
Latin inter ‘between’
English inter-
Proto-Indo-European *ǵenh₁- ‘to beget’
…
Proto-Hellenic *gígnomai
Ancient Greek γίγνομαι ‘I come into being’
Ancient Greek γένεσις ‘origin, source’
English genesis
English genetic
Today it means
adj Pertaining to multiple genera.
Language periods are conventional ranges, not dates for this word.
Etymograph / intergenetic