Where does “lysbølge” come from?

lysbølge (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.

lysbølge (Norwegian Nynorsk): a light wave

Definitions

  1. a light wave

Ancestry of “lysbølge”, step by step

lysbølge traces back through two separate lines of ancestry.

via Norwegian Nynorsk lys

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

via Norwegian Nynorsk bølge

StepLanguageWordMeaning
1Norwegian Nynorskbølgea wave
2Old Norsebylgjawave, billow
3Proto-Germanicbulgijōwave, billow
4Proto-Indo-Europeanbʰelǵʰ-to swell
5Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
6Proto-Indo-Europeanbʰōl-
Every word from Proto-Indo-European lewk-Every word from Proto-Indo-European lewḱ-Every word from Proto-Indo-European lewk-so-m