Where does “cefnddu” come from?

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

cefnddu (Welsh): black-backed

Definitions

  1. black-backed

Ancestry of “cefnddu”, step by step

cefnddu traces back through two separate lines of ancestry.

via Welsh du

StepLanguageWordMeaning
1Welshdublack
2Proto-Brythonicduβblack
3Proto-Celticdubusblack
4Proto-Indo-Europeandʰewbʰ-deep
5Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via Welsh cefn

StepLanguageWordMeaning
1Welshcefnback, rear; support, second; body as needing...
2Middle Welshkeuenback
3Proto-Celtickebno-back
Every word from Proto-Indo-European dʰewh₂- →