Where does “odmawianie” come from?

odmawianie (Old Polish) comes from Old Polish odmawiać, from Old Polish od-, from Proto-Slavic otъ-.

Ancestry of “odmawianie”, step by step

StepLanguageWordMeaning
1Old Polishodmawiaćto say no, to reject, to deny
2Old Polishod-indicates movement away; away
3Proto-Slavicotъ-—
Every word from Proto-Slavic otъ- →Every word from Old Polish od- →Every word from Old Polish odmawiać →
odmawianie — Etymology, Origin & Word History | Etymology Explorer