Where does “tas-gwynn” come from?

tas-gwynn (Cornish) comes from Cornish gwynn, from Old Cornish guyn, from Proto-Brythonic gwɨnn, from Proto-Celtic windos, from Proto-Indo-European windo-, from Proto-Indo-European weyd- — to see.

tas-gwynn (Cornish): grandfather

Definitions

  1. grandfather

Ancestry of “tas-gwynn”, step by step

tas-gwynn traces back through two separate lines of ancestry.

via Cornish gwynn

StepLanguageWordMeaning
1Cornishgwynnwhite; fair; blessed
2Old Cornishguyn—
3Proto-Brythonicgwɨnnwhite
4Proto-Celticwindoswhite
5Proto-Indo-Europeanwindo-—
6Proto-Indo-Europeanweyd-to see

via Cornish tas

StepLanguageWordMeaning
1Cornishtasfather
2Proto-Brythonictadfather
3Proto-Celtictatos—
Every word from Proto-Indo-European weyd- →Every word from Proto-Indo-European windo- →Every word from Proto-Celtic windos →
tas-gwynn — Etymology, Origin & Word History | Etymology Explorer