Where does “tvinna” come from?

tvinna (Old Norse) comes from Proto-Germanic twiznōną, from Proto-Indo-European dwisnós, from Proto-Indo-European dwóh₁ — two.

Ancestry of “tvinna”, step by step

StepLanguageWordMeaning
1Proto-Germanictwiznōnąto thread
2Proto-Indo-Europeandwisnósdouble
3Proto-Indo-Europeandwóh₁two

Words derived from “tvinna”

Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Indo-European dwisnós →Every word from Proto-Germanic twiznōną →