Where does “werbʰ-” come from?

werbʰ- (Proto-Indo-European) comes from Proto-Indo-European werb-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.

werbʰ- (Proto-Indo-European): to enclose

Definitions

Step	Language	Word	Meaning
1	Proto-Indo-European	werb-	to throw, twist, bend; to turn, bend, twist; to...
2	Proto-Indo-European	wer-	to burn; to cover, heed, notice; squirrel

werbʰ- — Etymology, Origin & Word History | Etymology Explorer