Where does “odprzedawać” come from?

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

Ancestry of “odprzedawać”, step by step

StepLanguageWordMeaning
1Polishod-un-, re-; away; indicates a routine or ritual...
2Old Polishod-indicates movement away; away
3Proto-Slavicotъ-—
Every word from Proto-Slavic otъ- →Every word from Polish od- →Every word from Old Polish od- →