Where does “*yana” come from?

*yana (Proto-Turkic) comes from Proto-Turkic yan- — to burn , blaze up; to return, turn back.

Ancestry of “*yana”, step by step

Step	Language	Word	Meaning
1	Proto-Turkic	yan-	to burn , blaze up; to return, turn back

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