Where does “авангардистка” come from?

авангардистка (Bulgarian) comes from Russian аванга́рд, from French avant-garde, from Old French avantgarde.

Ancestry of “авангардистка”, step by step

StepLanguageWordMeaning
1Russianаванга́рдvanguard, avant-garde, advance guard
2Frenchavant-gardevanguard; avant-garde, firing line
3Old Frenchavantgarde—
Every word from Old French avantgarde →Every word from French avant-garde →Every word from Russian аванга́рд →