Where does “þvǫttr” come from?

þvǫttr (Old Norse) comes from Old Norse þvǫ́ttr, from Proto-Germanic þwahtuz, from Proto-Germanic -þuz, from Proto-Indo-European -tus — Derives action nouns from verb roots.

Ancestry of “þvǫttr”, step by step

StepLanguageWordMeaning
1Old Norseþvǫ́ttr—
2Proto-Germanicþwahtuzwashing, laundry
3Proto-Germanic-þuzForms result nouns from verb roots, usually from...
4Proto-Indo-European-tusDerives action nouns from verb roots

Words derived from “þvǫttr”

Every word from Proto-Indo-European -tus →Every word from Proto-Germanic -þuz →Every word from Proto-Germanic þwahtuz →