Where does “Petrileni” come from?

Petrileni (Romanian) comes from Romanian Petrilă, from Romanian Petru, from Proto-Celtic *kʷetwores, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.

Ancestry of “Petrileni”, step by step

StepLanguageWordMeaning
1RomanianPetrilă
2RomanianPetruPeter
3Proto-Celtic*kʷetworesfour
4Proto-Indo-Europeankʷetwóresfour
5Proto-Indo-Europeankʷe-and
Every word from Proto-Indo-European kʷe-Every word from Proto-Indo-European kʷetwóresEvery word from Proto-Celtic *kʷetwores