Where does “vansinnighet” come from?

vansinnighet (Swedish) comes from Swedish het, from Old Swedish hēter, from Old Norse heitr, from Proto-Germanic haitaz, from Proto-Indo-European *keHy- — to heat.

vansinnighet (Swedish): a madness, an expression of insanity or madness,...

Definitions

  1. a madness, an expression of insanity or madness,...

Ancestry of “vansinnighet”, step by step

vansinnighet traces back through two separate lines of ancestry.

via Swedish het

StepLanguageWordMeaning
1Swedishhethot; having a very high temperature; hot;...
2Old Swedishhēterhot
3Old Norseheitrhot
4Proto-Germanichaitazhot
5Proto-Indo-European*keHy-to heat

via Swedish vansinnig

StepLanguageWordMeaning
1Swedishvansinnigmad, insane
2Old Swedishvansinnogher
3Middle Low Germanwansinnich
Every word from Proto-Indo-European *keHy-Every word from Proto-Germanic haitazEvery word from Old Norse heitr