Where does “lø̄s” come from?

lø̄s (Old Swedish) comes from Old Norse lauss, from Proto-Germanic lausaz, from Proto-Indo-European lewH- — louse.

lø̄s (Old Swedish): loose

Definitions

Step	Language	Word	Meaning
1	Old Norse	lauss	loose
2	Proto-Germanic	lausaz	loose, free; empty, devoid; false, untrue
3	Proto-Indo-European	lewH-	louse

lø̄s — Etymology, Origin & Word History | Etymology Explorer