Where does “peis” come from?

peis (Middle Welsh) comes from Proto-Brythonic *pės, from Latin pexus, from Latin pecto, from Proto-Indo-European peḱ- — to pluck; livestock; wealth.

Ancestry of “peis”, step by step

StepLanguageWordMeaning
1Proto-Brythonic*pės
2LatinpexusNeatly combed; new
3LatinpectoI comb; I card, heckle, comb; I hoe, weed
4Proto-Indo-Europeanpeḱ-to pluck; livestock; wealth

Words derived from “peis

Every word from Proto-Indo-European peḱ-Every word from Latin pectoEvery word from Latin pexus