Words that come from Proto-Indo-European “dwey-plo-”
22 words across 13 languages descend from Proto-Indo-European dwey-plo- — including twīval, twivel, Zweiwel, twīvel, 𐍄𐍅𐌴𐌹𐍆𐌻𐌴𐌹𐌽𐍃, twijfel, twivel, unzweifelhaft.
See the etymology of dwey-plo- itself →