Where does “smutstvätt” come from?

smutstvätt (Swedish) comes from Swedish tvätt, from Old Norse þváttr, from Proto-Germanic þwahtuz, from Proto-Germanic -þuz, from Proto-Indo-European -tus — Derives action nouns from verb roots.

smutstvätt (Swedish): dirty laundry (to be washed)

Definitions

  1. dirty laundry (to be washed)

Ancestry of “smutstvätt”, step by step

smutstvätt traces back through two separate lines of ancestry.

via Swedish tvätt

StepLanguageWordMeaning
1Swedishtvättlaundry; a wash
2Old Norseþváttrthe act of washing, laundry, washing
3Proto-Germanicþwahtuzwashing, laundry
4Proto-Germanic-þuzForms result nouns from verb roots, usually from...
5Proto-Indo-European-tusDerives action nouns from verb roots

via English Smuts

StepLanguageWordMeaning
1EnglishSmuts—
2GermanSchmutzdirt
3Middle High Germansmuz—
Every word from Proto-Indo-European -tus →Every word from Proto-Germanic -þuz →Every word from Proto-Germanic þwahtuz →