Where does “diwyr” come from?

diwyr (Welsh) comes from Welsh gŵyr, from Middle Welsh gwyr, from Proto-Brythonic gwuɨr, from Proto-Celtic *weiros, from Proto-Indo-European weyh₁ros, from Proto-Indo-European weyh₁- — to chase, pursue; to suppress, persecute.

diwyr (Welsh): unbent, straight

Definitions

  1. unbent, straight

Ancestry of “diwyr”, step by step

diwyr traces back through two separate lines of ancestry.

via Welsh gŵyr

StepLanguageWordMeaning
1Welshgŵyrcrooked, bent; third-person singular present of...
2Middle Welshgwyrplural of gwr; third-person singular present of...
3Proto-Brythonicgwuɨr
4Proto-Celtic*weiroscrooked
5Proto-Indo-Europeanweyh₁rosturned, twisted, threaded; threaded, turned,...
6Proto-Indo-Europeanweyh₁-to chase, pursue; to suppress, persecute

via Welsh di

StepLanguageWordMeaning
1Welshdiyou singular; thou
Every word from Proto-Indo-European weyh₁-Every word from Proto-Indo-European weyh₁rosEvery word from Proto-Celtic *weiros