Where does “vaahtopäinen” come from?

vaahtopäinen (Finnish) comes from Finnish vaahtopää, 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.

vaahtopäinen (Finnish): foamy, frothy, foam-crested

Definitions

  1. foamy, frothy, foam-crested

Ancestry of “vaahtopäinen”, step by step

StepLanguageWordMeaning
1FinnishvaahtopääFoamy wave crest
2Finnishvaahtofoam; head; mousse
3Proto-Finnicvaktofoam
4Proto-Germanicþwahtuzwashing, laundry
5Proto-Germanic-þuzForms result nouns from verb roots, usually from...
6Proto-Indo-European-tusDerives action nouns from verb roots
Every word from Proto-Indo-European -tus →Every word from Proto-Germanic -þuz →Every word from Proto-Germanic þwahtuz →