Where does “Osiceanu” come from?

Osiceanu (Romanian) comes from Romanian Osica, from Bulgarian осика, from Proto-Slavic *opsika — aspen.

Ancestry of “Osiceanu”, step by step

StepLanguageWordMeaning
1RomanianOsica—
2Bulgarianосикаaspen, apse tree of genus
3Proto-Slavic*opsikaaspen
Every word from Proto-Slavic *opsika →Every word from Bulgarian осика →Every word from Romanian Osica →