Where does “ljusår” come from?

ljusår (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.

ljusår (Swedish): light year

Definitions

  1. light year

Ancestry of “ljusår”, step by step

ljusår 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 år

StepLanguageWordMeaning
1Swedishåra year
2Frencharean are
3Latināreaa piece of level ground, a vacant place (esp. in the town)
4Proto-Italicāzeā—
5Proto-Indo-Europeanh₂eHs-e-yeh₂—
6Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth
Every word from Proto-Indo-European lewk- →Every word from Proto-Indo-European lewḱ- →Every word from Proto-Indo-European lewk-so-m →