Where does “cefnwyn” come from?

cefnwyn (Welsh) comes from Welsh gwyn, from Proto-Brythonic gwɨnn, from Proto-Celtic windos, from Proto-Indo-European windo-, from Proto-Indo-European weyd- — to see.

cefnwyn (Welsh): white-backed

Definitions

  1. white-backed

Ancestry of “cefnwyn”, step by step

cefnwyn traces back through two separate lines of ancestry.

via Welsh gwyn

StepLanguageWordMeaning
1Welshgwynwhite; blessed
2Proto-Brythonicgwɨnnwhite
3Proto-Celticwindoswhite
4Proto-Indo-Europeanwindo-—
5Proto-Indo-Europeanweyd-to see

via Welsh cefn

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