Where does “pe,py” come from?

pe,py (Middle Cornish) comes from Proto-Celtic kʷid, from Proto-Indo-European kʷíd, from Proto-Indo-European kʷís, from Proto-Indo-European kʷi- — interrogative base.

Ancestry of “pe,py”, step by step

StepLanguageWordMeaning
1Proto-Celtickʷidwhat
2Proto-Indo-Europeankʷídneuter nominative/accusative singular of *kʷís
3Proto-Indo-Europeankʷíswho, what; who, which, that; which, what
4Proto-Indo-Europeankʷi-interrogative base

Words derived from “pe,py”

Every word from Proto-Indo-European kʷi- →