Where does “lyshåra” come from?

lyshåra (Norwegian Nynorsk) comes from Norwegian Nynorsk lys, from Danish lys, from Old Danish liūs, from Old Norse ljós, from Proto-Germanic leuhsą, from Proto-Indo-European lewk-so-m, from Proto-Indo-European lewḱ-, from Proto-Indo-European lewk- — bright; to shine; to see.

Ancestry of “lyshåra”, step by step

StepLanguageWordMeaning
1Norwegian Nynorsklyslight; a light; bright
2Danishlyslight; bright; fair, blond
3Old Danishliūs—
4Old Norseljósa burning light; light of the sun
5Proto-Germanicleuhsąlight
6Proto-Indo-Europeanlewk-so-m—
7Proto-Indo-Europeanlewḱ-lynx
8Proto-Indo-Europeanlewk-bright; to shine; to see
Every word from Proto-Indo-European lewk- →Every word from Proto-Indo-European lewḱ- →Every word from Proto-Indo-European lewk-so-m →