Where does “Cepăreanu” come from?

Cepăreanu (Romanian) comes from Romanian Cepari, from Romanian cepar, from Romanian -ar, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

Ancestry of “Cepăreanu”, step by step

StepLanguageWordMeaning
1RomanianCepari
2Romaniancepara seller or vendor of onions
3Romanian-ar-er
4Latin-āriuser
5Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)
Every word from Proto-Italic *-āzios