English
amniogenesis
From amnio- + -genesis.
Proto-Indo-European *ǵenh₁- ‘to produce’
Proto-Indo-European *ǵénh₁tis ‘birth, production’
Proto-Hellenic *génetis ‘origin, source’
Ancient Greek γένεσις ‘origin, source, beginning’
Latin genesis ‘generation, nativity’
English genesis
Today it means
noun The formation and development of the amnion
Language periods are conventional ranges, not dates for this word.
Etymograph / amniogenesis