Where does “przepowiednica” come from?

przepowiednica (Old Polish) comes from Old Polish -nica, from Proto-Slavic *-ьnica.

Ancestry of “przepowiednica”, step by step

StepLanguageWordMeaning
1Old Polish-nicaforms feminine nouns
2Proto-Slavic*-ьnica
Every word from Proto-Slavic *-ьnicaEvery word from Old Polish -nica