Where does “отчий” come from?

отчий (Russian) comes from Russian оте́ц, from Old East Slavic отьць, from Proto-Slavic otь̃cь, from Proto-Indo-European átta — father.

отчий (Russian): fatherly, paternal

Definitions

  1. fatherly, paternal

Ancestry of “отчий”, step by step

StepLanguageWordMeaning
1Russianоте́цfather
2Old East Slavicотьцьfather
3Proto-Slavicotь̃cь—
4Proto-Indo-Europeanáttafather
Every word from Proto-Indo-European átta →Every word from Proto-Slavic otь̃cь →Every word from Old East Slavic отьць →
отчий — Etymology, Origin & Word History | Etymology Explorer