Where does “dwyflwydd” come from?

dwyflwydd (Welsh) comes from Welsh dwy, from Welsh dau, from Proto-Brythonic *dow, from Proto-Celtic *duwo, from Proto-Indo-European dwóh₁ — two.

dwyflwydd (Welsh): two years old

Definitions

  1. two years old

Ancestry of “dwyflwydd”, step by step

dwyflwydd traces back through two separate lines of ancestry.

via Welsh dwy

StepLanguageWordMeaning
1Welshdwyfeminine of dau; two
2Welshdautwo
3Proto-Brythonic*dowtwo
4Proto-Celtic*duwotwo
5Proto-Indo-Europeandwóh₁two

via Welsh blwydd

StepLanguageWordMeaning
1Welshblwyddyear
2Middle Welshblwyddyn—
3Old Welshbloidin—
4Proto-Celticblēdanīyear
5Proto-Indo-Europeanbʰloyd-pale
Every word from Proto-Indo-European dwóh₁ →