Where does “unlosen” come from?

unlosen (Middle English) comes from Middle English losen, from Old English losian, from Proto-Germanic lusōną, from Proto-Germanic lusą, from Proto-Indo-European lewHs-, from Proto-Indo-European lewH- — louse.

Ancestry of “unlosen”, step by step

StepLanguageWordMeaning
1Middle Englishlosento loose
2Old Englishlosianto be lost; stray; to die; perish; be destroyed;...
3Proto-Germaniclusōnąto loosen, to free
4Proto-Germaniclusąloss
5Proto-Indo-EuropeanlewHs-to cut; sever; loose; lose; to cut loose; sever;...
6Proto-Indo-EuropeanlewH-louse

Words derived from “unlosen”

Every word from Proto-Indo-European lewH- →Every word from Proto-Indo-European lewHs- →Every word from Proto-Germanic lusą →