Where does “trafikljus” come from?

trafikljus (Swedish) comes from Swedish ljus, from Old Swedish 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.

trafikljus (Swedish): a traffic light

Definitions

  1. a traffic light

Ancestry of “trafikljus”, step by step

trafikljus traces back through two separate lines of ancestry.

via Swedish ljus

StepLanguageWordMeaning
1Swedishljusof light or color: bright; of sound;...
2Old Swedishliūslight, bright
3Old Norseljósa burning light; light of the sun
4Proto-Germanicleuhsąlight
5Proto-Indo-Europeanlewk-so-m
6Proto-Indo-Europeanlewḱ-lynx
7Proto-Indo-Europeanlewk-bright; to shine; to see

via Swedish trafik

StepLanguageWordMeaning
1Swedishtrafiktraffic
2Italiantrafficotraffic; trade; activity, rush
3Vulgar Latintransfricareto rub across
4Latinfricōto rub
5LatinfrioI crumble, rub, or break into pieces
6Proto-Italic*friāō
Every word from Proto-Indo-European lewk-