Where does “vaahtopää” come from?

vaahtopää (Finnish) comes from Finnish vaahto, from Proto-Finnic vakto, from Proto-Germanic þwahtuz, from Proto-Germanic -þuz, from Proto-Indo-European -tus — Derives action nouns from verb roots.

vaahtopää (Finnish): Foamy wave crest

Definitions

  1. Foamy wave crest

Ancestry of “vaahtopää”, step by step

vaahtopää traces back through two separate lines of ancestry.

via Finnish vaahto

StepLanguageWordMeaning
1Finnishvaahtofoam; head; mousse
2Proto-Finnicvaktofoam
3Proto-Germanicþwahtuzwashing, laundry
4Proto-Germanic-þuzForms result nouns from verb roots, usually from...
5Proto-Indo-European-tusDerives action nouns from verb roots

via Finnish pää

StepLanguageWordMeaning
1Finnishpäähead; end, tip
2Proto-Finnicpäähead
3Proto-Uralicpäŋehead

Words derived from “vaahtopää

Every word from Proto-Indo-European -tusEvery word from Proto-Germanic -þuzEvery word from Proto-Germanic þwahtuz