Where does “flatljus” come from?

flatljus (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.

flatljus (Swedish): whiteout (especially in terrain, for example mountain areas)

Definitions

  1. whiteout (especially in terrain, for example mountain areas)

Ancestry of “flatljus”, step by step

flatljus 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 flat

StepLanguageWordMeaning
1Swedishflatflat; spineless, being a doormat, abstaining from...
2Old Norseflatrflat, level; flat, prostrate
3Proto-Germanicflatazflat
4Proto-Indo-EuropeanplÁt-
Every word from Proto-Indo-European lewk-Every word from Proto-Indo-European lewḱ-Every word from Proto-Indo-European lewk-so-m