Where does “boreufwyd” come from?

boreufwyd (Welsh) comes from Welsh bwyd, from Middle Welsh bwyt, from Proto-Brythonic buɨd, from Proto-Celtic *beitom, from Proto-Indo-European gʷeyh₃tom, from Proto-Indo-European gʷeyh₃- — to live.

Ancestry of “boreufwyd”, step by step

boreufwyd traces back through two separate lines of ancestry.

via Welsh bwyd

StepLanguageWordMeaning
1Welshbwydfood
2Middle Welshbwytfood
3Proto-Brythonicbuɨdfood
4Proto-Celtic*beitomfood
5Proto-Indo-Europeangʷeyh₃tom—
6Proto-Indo-Europeangʷeyh₃-to live

via Welsh borau

StepLanguageWordMeaning
1Welshborau—
2Welsh-au-s
3Middle Welsh-eu—
4Old Welsh-ou—
5Proto-Brythonic-ow—
6Proto-Celtic-owes—
Every word from Proto-Indo-European gʷeyh₃- →Every word from Proto-Indo-European gʷeyh₃tom →Every word from Proto-Celtic *beitom →