Where does “Pedrez” come from?

Pedrez (Old Leonese) comes from Proto-Basque ez-, from Proto-Indo-European eǵʰs — out; from, out of.

Ancestry of “Pedrez”, step by step

Pedrez traces back through two separate lines of ancestry.

via Proto-Basque ez-

StepLanguageWordMeaning
1Proto-Basqueez-—
2Proto-Indo-Europeaneǵʰsout; from, out of

via Old Leonese Pedro

StepLanguageWordMeaning
1Old LeonesePedro—
Every word from Proto-Indo-European eǵʰs →Every word from Proto-Basque ez- →