Where does “jątrznica” come from?

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

Ancestry of “jątrznica”, step by step

StepLanguageWordMeaning
1Old Polishjątrznicaintestines stuffed with blood and fat
2Old Polish-nicaforms feminine nouns
3Proto-Slavic*-ьnica—
Every word from Proto-Slavic *-ьnica →Every word from Old Polish -nica →Every word from Old Polish jątrznica →