Where does “tvivelaktighet” come from?

tvivelaktighet (Swedish) comes from Swedish tvivelaktig, from Swedish tvivel, from Old Swedish tvifla, from Middle Low German twīvel, from Old Saxon *twīfal, from Proto-West Germanic twīfl, from Proto-Germanic twīflaz, from Proto-Indo-European dwóh₁ — two.

tvivelaktighet (Swedish): questionability, dubiousness

Definitions

  1. questionability, dubiousness

Ancestry of “tvivelaktighet”, step by step

StepLanguageWordMeaning
1Swedishtvivelaktigquestionable, doubtful, doubted
2Swedishtvivela doubt
3Old Swedishtviflato doubt, be in doubt
4Middle Low Germantwīveldoubt
5Old Saxon*twīfal—
6Proto-West Germanictwīfldoubt
7Proto-Germanictwīflazdoubt
8Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Germanic twīflaz →Every word from Proto-West Germanic twīfl →