Where does “py” come from?

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

py (Cornish): what, which

Definitions

  1. what, which

Ancestry of “py”, step by step

StepLanguageWordMeaning
1Middle Cornishpe,py
2Proto-Celtickʷidwhat
3Proto-Indo-Europeankʷídneuter nominative/accusative singular of *kʷís
4Proto-Indo-Europeankʷíswho, what; who, which, that; which, what
5Proto-Indo-Europeankʷi-interrogative base

Words derived from “py

Every word from Proto-Indo-European kʷi-