Where does “du” come from?

du (Cornish) comes from Proto-Brythonic duβ, from Proto-Celtic dubus, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

du (Cornish): black

Definitions

  1. black

Ancestry of “du”, step by step

StepLanguageWordMeaning
1Proto-Brythonicduβblack
2Proto-Celticdubusblack
3Proto-Indo-Europeandʰewbʰ-deep
4Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Indo-European dʰewbʰ- →Every word from Proto-Celtic dubus →