Where does “zweifeln” come from?
zweifeln (German) comes from Middle High German zwīvelen, from Middle High German zwīvel, from Old High German zwīfal, from Proto-West Germanic twīfl, from Proto-Germanic twīflaz, from Proto-Indo-European dwóh₁ — two.
zweifeln (German): to doubt, to be doubtful
Definitions
- to doubt, to be doubtful