Where does “fleos” come from?

fleos (Old English) comes from Proto-West Germanic fleus, from Proto-Germanic fleusaz, from Proto-Indo-European plews-, from Proto-Indo-European plúsis — flea.

Ancestry of “fleos”, step by step

Step	Language	Word	Meaning
1	Proto-West Germanic	fleus	fleece
2	Proto-Germanic	fleusaz	—
3	Proto-Indo-European	plews-	to pluck, a feather, fleece; to pull out, pluck
4	Proto-Indo-European	plúsis	flea

Words derived from “fleos”

fleece
fleecy
fleeciness
microfleece
fleecer
fleecily
fleeceless
fleeceable
fleecewear
Fleece
fleece
fliisi
flus
flese
fleos
flees

Every word from Proto-Indo-European plúsis →

fleos — Etymology, Origin & Word History | Etymology Explorer