Where does “prekursorka” come from?

prekursorka (Polish) comes from Polish prekursor, from French précurseur, from Latin praecursor, from Latin praecurrō, from Latin prae-, from Proto-Italic prai-, from Proto-Indo-European preh₂-, from Proto-Indo-European per- — passed , crossed.

Ancestry of “prekursorka”, step by step

StepLanguageWordMeaning
1Polishprekursorprecursor
2Frenchprécurseurprecursory; precursor, forerunner; precursor
3Latinpraecursorforerunner, vanguard; spy; vocative singular of...
4Latinpraecurrōto run before
5Latinprae-before; in front; in charge
6Proto-Italicprai-pre-, before
7Proto-Indo-Europeanpreh₂-before, in front
8Proto-Indo-Europeanper-before, in front; first; to go through
9Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European preh₂-