Where does “bratiaith” come from?

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

bratiaith (Welsh): Debased language, patois, jargon

Definitions

  1. Debased language, patois, jargon

Ancestry of “bratiaith”, step by step

bratiaith 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 brat

StepLanguageWordMeaning
1Welshbratrag
2Middle Welshbrat—
3Proto-Brythonicbraddeceit, treachery
4Proto-Celticmratomdeceit, betrayal, treachery
5Proto-Indo-Europeanmerh₂-to seize, grip; to pack
Every word from Proto-Indo-European yek- →Every word from Proto-Celtic yextis →Every word from Proto-Brythonic jeiθ →
bratiaith — Etymology, Origin & Word History | Etymology Explorer