Where does “lyskjelde” come from?

lyskjelde (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 “lyskjelde”, step by step

lyskjelde traces back through two separate lines of ancestry.

via Norwegian Bokmål lys

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

via Norwegian Bokmål kjelde

StepLanguageWordMeaning
1Norwegian Bokmålkjeldealternative form of kilde
2Old Norsekeldaa well, a spring
3Proto-Germanickaldijǭwell, spring
4Proto-Germanickaldazcold
5Proto-Germanickalanąto be cold, to freeze
6Proto-Indo-Europeanǵel-to swallow; swallow
Every word from Proto-Indo-European lewk- →Every word from Proto-Indo-European lewḱ- →Every word from Proto-Indo-European lewk-so-m →