Where does “plī-” come from?

plī- (Proto-Indo-European) comes from Proto-Indo-European pel- — to cover, to wrap; skin, hide, cloth; to fold.

Ancestry of “plī-”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	pel-	to cover, to wrap; skin, hide, cloth; to fold

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