Where does “trafikklys” come from?

trafikklys (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.

trafikklys (Norwegian Bokmål): a traffic light

Definitions

  1. a traffic light

Ancestry of “trafikklys”, step by step

trafikklys traces back through 3 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 trafikk

StepLanguageWordMeaning
1Norwegian Bokmåltrafikktraffic
2Italiantrafficotraffic; trade; activity, rush
3Vulgar Latintransfricareto rub across
4Latinfricōto rub
5LatinfrioI crumble, rub, or break into pieces
6Proto-Italic*friāō

via Norwegian Nynorsk lys

StepLanguageWordMeaning
1Norwegian Nynorsklyslight; a light; bright
Every word from Proto-Indo-European lewk-Every word from Proto-Indo-European lewḱ-Every word from Proto-Indo-European lewk-so-m