Where does “*wranki” come from?

*wranki (Proto-West Germanic) comes from Proto-Germanic wrankiz, from Proto-Indo-European wreng- — to turn.

Ancestry of “*wranki”, step by step

Step	Language	Word	Meaning
1	Proto-Germanic	wrankiz	a turning, twisting; a turn, twisting
2	Proto-Indo-European	wreng-	to turn

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