Where does “unwaith” come from?

unwaith (Welsh) comes from Welsh un, from Middle Welsh un, from Proto-Brythonic ʉn, from Proto-Celtic oinos, from Proto-Indo-European óynos — one; single.

unwaith (Welsh): once; once upon a time

Definitions

  1. once; once upon a time

Ancestry of “unwaith”, step by step

unwaith traces back through two separate lines of ancestry.

via Welsh un

StepLanguageWordMeaning
1Welshunonly; one; one, individual
2Middle Welshunone
3Proto-Brythonicʉnone
4Proto-Celticoinosone
5Proto-Indo-Europeanóynosone; single

via Welsh gwaith

StepLanguageWordMeaning
1Welshgwaithwork, labour, act, deed, task, job; aid;...
2Middle Welshgweithtime, course
3Proto-Brythonicgweiθ
4Proto-Celticwextātime, course, turn
5Proto-Indo-Europeanweǵʰ-to bring; to transport
Every word from Proto-Indo-European óynosEvery word from Proto-Celtic oinosEvery word from Proto-Brythonic ʉn