The story
- Proto-Indo-European*sweh₂gʰ-
- Proto-Hellenic*wākʰā́
- Ancient Greekἠχή (ēkhḗ)
- Ancient Greekἠχώ (ēkhṓ)
- Englishecho-
- Proto-Indo-European*ǵenh₁-
- Proto-Indo-European*ǵénh₁os
- Proto-Hellenic*génos
- Ancient Greekγένος (génos)
- English todayechogenic
Etymology from Wiktionary, CC BY-SA 4.0.