Where does “ymwacáu” come from?

ymwacáu (Welsh) comes from Welsh gwacáu, from Welsh -au, from Middle Welsh -eu, from Old Welsh -ou, from Proto-Brythonic -ow, from Proto-Celtic -owes.

ymwacáu (Welsh): to empty oneself

Definitions

  1. to empty oneself

Ancestry of “ymwacáu”, step by step

ymwacáu traces back through two separate lines of ancestry.

via Welsh gwacáu

StepLanguageWordMeaning
1Welshgwacáuto empty, to evacuate, to flush
2Welsh-au-s
3Middle Welsh-eu
4Old Welsh-ou
5Proto-Brythonic-ow
6Proto-Celtic-owes

via Welsh ym

StepLanguageWordMeaning
1WelshymForm of yn used before bilabials
Every word from Proto-Celtic -owesEvery word from Welsh -auEvery word from Middle Welsh -eu
ymwacáu — Etymology, Origin & Word History | Etymology Explorer