Where does “vaahtoisuus” come from?

vaahtoisuus (Finnish) comes from Finnish vaahtoinen, 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.

vaahtoisuus (Finnish): frothiness, foaminess

Definitions

  1. frothiness, foaminess

Ancestry of “vaahtoisuus”, step by step

StepLanguageWordMeaning
1Finnishvaahtoinenfrothy, foamy
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 →