Where does “unflwydd” come from?

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

unflwydd (Welsh): one year old

Definitions

  1. one year old

Ancestry of “unflwydd”, step by step

unflwydd 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 blwydd

StepLanguageWordMeaning
1Welshblwyddyear
2Middle Welshblwyddyn—
3Old Welshbloidin—
4Proto-Celticblēdanīyear
5Proto-Indo-Europeanbʰloyd-pale
Every word from Proto-Indo-European óynos →Every word from Proto-Celtic oinos →Every word from Proto-Brythonic ʉn →