Where does “deu” come from?

deu (Middle Welsh) comes from Proto-Brythonic *dow, from Proto-Celtic *duwo, from Proto-Indo-European dwóh₁ — two.

deu (Middle Welsh): two

Definitions

  1. two

Ancestry of “deu”, step by step

StepLanguageWordMeaning
1Proto-Brythonic*dowtwo
2Proto-Celtic*duwotwo
3Proto-Indo-Europeandwóh₁two

Words derived from “deu”

Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Celtic *duwo →Every word from Proto-Brythonic *dow →