Where does “ljusförorening” come from?

ljusförorening (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.

ljusförorening (Swedish): light pollution

Definitions

  1. light pollution

Ancestry of “ljusförorening”, step by step

ljusförorening 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 förorening

StepLanguageWordMeaning
1Swedishföroreningpollution, contamination, tainting
2Swedish-ingUsed to form verbal nouns from verbs; -ing. See...
3Old Swedish-ingForms gerund nouns from verbs
4Old Norse-ingForms gerund nouns from verbs
5Proto-Germanic-ingō-ing
Every word from Proto-Indo-European lewk-Every word from Proto-Indo-European lewḱ-Every word from Proto-Indo-European lewk-so-m