Where does “*dauyeti” come from?

*dauyeti (Proto-Celtic) comes from Proto-Indo-European deh₂w- — kindle, burn; to burn.

Ancestry of “*dauyeti”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	deh₂w-	kindle, burn; to burn

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