Where does “kupula” come from?

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

kupula (Finnish): bump

Definitions

  1. bump

Ancestry of “kupula”, step by step

kupula traces back through two separate lines of ancestry.

via Finnish la

StepLanguageWordMeaning
1FinnishlaAbbreviation of lauantai
2FinnishlauantaiSaturday
3Old NorselaugardagrSaturday
4Old Norselaugbath; hot spring; first-person singular past...
5Proto-Germaniclaugōbath, wash; soap, lye
6Proto-Indo-Europeanlewh₃-to wash

via Finnish kupu

StepLanguageWordMeaning
1Finnishkupudome; canopy; crop, craw
2Proto-Finnickupucrop, craw
Every word from Proto-Indo-European lewh₃- →Every word from Proto-Germanic laugō →Every word from Old Norse laug →