Where does “lauantainen” come from?

lauantainen (Finnish) comes from Finnish lauantai, from Old Norse laugardagr, from Old Norse laug, from Proto-Germanic laugō, from Proto-Indo-European lewh₃- — to wash.

lauantainen (Finnish): having occurred on a Saturday

Definitions

  1. having occurred on a Saturday

Ancestry of “lauantainen”, step by step

lauantainen traces back through two separate lines of ancestry.

via Finnish lauantai

StepLanguageWordMeaning
1FinnishlauantaiSaturday
2Old NorselaugardagrSaturday
3Old Norselaugbath; hot spring; first-person singular past...
4Proto-Germaniclaugōbath, wash; soap, lye
5Proto-Indo-Europeanlewh₃-to wash

via Finnish inen

StepLanguageWordMeaning
1Finnishinen
Every word from Proto-Indo-European lewh₃-Every word from Proto-Germanic laugōEvery word from Old Norse laug