Where does “tafodiaith” come from?

tafodiaith (Welsh) comes from Welsh iaith, from Middle Welsh ieith, from Proto-Brythonic jeiθ, from Proto-Celtic yextis, from Proto-Indo-European yek- — to utter.

tafodiaith (Welsh): dialect, vernacular; native language

Definitions

  1. dialect, vernacular; native language

Ancestry of “tafodiaith”, step by step

tafodiaith traces back through two separate lines of ancestry.

via Welsh iaith

StepLanguageWordMeaning
1Welshiaithlanguage
2Middle Welshieith
3Proto-Brythonicjeiθlanguage
4Proto-Celticyextislanguage, speech
5Proto-Indo-Europeanyek-to utter

via Welsh tafod

StepLanguageWordMeaning
1Welshtafodtongue
2Middle Welshtauaut
3Proto-Brythonictavọd
4Proto-Celtictangʷāt-
5Proto-Indo-Europeandn̥ǵʰwéh₂stongue

Words derived from “tafodiaith

Every word from Proto-Indo-European yek-Every word from Proto-Celtic yextisEvery word from Proto-Brythonic jeiθ