Where does “Дерманчев” come from?

Дерманчев (Bulgarian) comes from Bulgarian -ев, from Old Church Slavonic -евъ, from Proto-Slavic *-evъ.

Ancestry of “Дерманчев”, step by step

StepLanguageWordMeaning
1Bulgarian-ев—
2Old Church Slavonic-евъ—
3Proto-Slavic*-evъ—
Every word from Proto-Slavic *-evъ →Every word from Bulgarian -ев →Every word from Old Church Slavonic -евъ →