Where does “ljoster” come from?

ljoster (Norwegian Nynorsk) comes from Old Norse ljóstr, from Old Norse ljósta, from Proto-Germanic leustaną, from Proto-Indo-European leu-s- — loose, loosen.

Ancestry of “ljoster”, step by step

StepLanguageWordMeaning
1Old Norseljóstrleister
2Old Norseljóstato strike, smite; to strike, hit
3Proto-Germanicleustanąto strike, hit
4Proto-Indo-Europeanleu-s-loose, loosen
Every word from Proto-Indo-European leu-s- →Every word from Proto-Germanic leustaną →Every word from Old Norse ljósta →