Where does “lyshåra” come from?

lyshåra (Norwegian Bokmål) comes from Norwegian Bokmål 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 Bokmållyslight; fair, blonde; fair
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