The story
- Proto-Indo-European*ǵenh₁-
- Proto-Indo-European*ǵénh₁os
- Proto-Hellenic*génos
- Ancient Greekγένος (génos)
- Proto-Indo-European*kh₂eyd-
- Proto-Indo-European*kh₂éydeti
- Proto-Italic*kaidō
- Latincaedō
- Englishgenocide
- English todaygenocider
From genocide + -er. Piecewise doublet of genocidaire.
Etymology from Wiktionary, CC BY-SA 4.0.