Where does “pur” come from?

pur (Middle Welsh) comes from Proto-Brythonic *pʉr, from Latin pūrus, from Proto-Indo-European pewH- — to be clean, pure.

Ancestry of “pur”, step by step

StepLanguageWordMeaning
1Proto-Brythonic*pʉr—
2Latinpūrusclear, limpid
3Proto-Indo-EuropeanpewH-to be clean, pure

Words derived from “pur”

Every word from Proto-Indo-European pewH- →Every word from Latin pūrus →Every word from Proto-Brythonic *pʉr →