Where does “aurinkoisuus” come from?

aurinkoisuus (Finnish) comes from Finnish aurinkoinen, from Finnish aurinko — the Sun.

aurinkoisuus (Finnish): sunniness

Definitions

  1. sunniness

Ancestry of “aurinkoisuus”, step by step

aurinkoisuus traces back through two separate lines of ancestry.

via Finnish aurinkoinen

StepLanguageWordMeaning
1Finnishaurinkoinensunny
2Finnishaurinkothe Sun

via Finnish uus

StepLanguageWordMeaning
1FinnishuusAlternative form of uusi
Every word from Finnish aurinko →Every word from Finnish aurinkoinen →
aurinkoisuus — Etymology, Origin & Word History | Etymology Explorer