Where does “Pârvănescu” come from?

Pârvănescu (Romanian) comes from Romanian Pârvan, from Bulgarian Първан, from Bulgarian пръв, from Old Church Slavonic прьвъ, from Proto-Slavic pьrvъ, from Proto-Balto-Slavic pírˀwas, from Proto-Indo-European pr̥h₂wós, from Proto-Indo-European per- — passed , crossed.

Ancestry of “Pârvănescu”, step by step

StepLanguageWordMeaning
1RomanianPârvan—
2BulgarianПърван—
3Bulgarianпръвfirst
4Old Church Slavonicпрьвъfirst
5Proto-Slavicpьrvъfirst
6Proto-Balto-Slavicpírˀwas—
7Proto-Indo-Europeanpr̥h₂wósfirst
8Proto-Indo-Europeanper-before, in front; first; to go through
9Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Indo-European pr̥h₂wós →