English
eugenesis
From eu- + genesis.
Proto-Indo-European *h₁su- ‘good’
Proto-Hellenic *ehu- ‘good’
Ancient Greek ἐΰς ‘good, brave, noble’
Ancient Greek εὖ ‘well, good’
English eu-
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 quality or condition of having strong reproductive powers; generation with full fertility between different species or races, specifically between hybrids of the first generation.
Language periods are conventional ranges, not dates for this word.
Etymograph / eugenesis