Where does “petuar” come from?

petuar (Old Welsh) comes from Proto-Brythonic pedwar, from Proto-Celtic *kʷetwores, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.

Ancestry of “petuar”, step by step

Step	Language	Word	Meaning
1	Proto-Brythonic	pedwar	four
2	Proto-Celtic	*kʷetwores	—
3	Proto-Indo-European	kʷetwóres	four
4	Proto-Indo-European	kʷe-	and

Every word from Proto-Indo-European kʷe- →

petuar — Etymology, Origin & Word History | Etymology Explorer