Where does “ojczuchna” come from?

ojczuchna (Polish) comes from Polish ojciec, from Old Polish ociec, from Proto-Slavic otь̃cь, from Proto-Indo-European átta — father.

Ancestry of “ojczuchna”, step by step

StepLanguageWordMeaning
1Polishojciecfather, male parent; father, originator; Father
2Old Polishociecfather
3Proto-Slavicotь̃cь—
4Proto-Indo-Europeanáttafather
Every word from Proto-Indo-European átta →Every word from Proto-Slavic otь̃cь →Every word from Old Polish ociec →