Where does “heilaþvottur” come from?

heilaþvottur (Icelandic) comes from Icelandic þvottur, from Old Norse þváttr, from Proto-Germanic þwahtuz, from Proto-Germanic -þuz, from Proto-Indo-European -tus — Derives action nouns from verb roots.

heilaþvottur (Icelandic): brainwashing

Definitions

  1. brainwashing

Ancestry of “heilaþvottur”, step by step

heilaþvottur traces back through two separate lines of ancestry.

via Icelandic þvottur

StepLanguageWordMeaning
1Icelandicþvotturwash, washing; laundry
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 Icelandic heili

StepLanguageWordMeaning
1Icelandicheilia brain
2Old Norseheilibrain
3Proto-Germanichailia-
Every word from Proto-Indo-European -tusEvery word from Proto-Germanic -þuzEvery word from Proto-Germanic þwahtuz