Where does “oddający” come from?

oddający (Polish) comes from Polish oddawać, from Polish od-, from Old Polish od-, from Proto-Slavic otъ-.

Ancestry of “oddający”, step by step

StepLanguageWordMeaning
1Polishoddawaćto give back, to return; to hand in, to turn in;...
2Polishod-un-, re-; away; indicates a routine or ritual...
3Old Polishod-indicates movement away; away
4Proto-Slavicotъ-—
Every word from Proto-Slavic otъ- →Every word from Polish od- →Every word from Old Polish od- →