Where does “*h₂engʷʰuryos” come from?

*h₂engʷʰuryos (Proto-Indo-European) comes from Proto-Indo-European h₂éngʷʰis — snake.

Ancestry of “*h₂engʷʰuryos”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	h₂éngʷʰis	snake

*h₂engʷʰuryos — Etymology, Origin & Word History | Etymology Explorer