Where does “ôdpowiedzieć” come from?

ôdpowiedzieć (Silesian) comes from Old Polish odpowiedzieć, from Old Polish od-, from Proto-Slavic otъ-.

Ancestry of “ôdpowiedzieć”, step by step

StepLanguageWordMeaning
1Old Polishodpowiedziećto answer; to reply; to respond
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 odpowiedzieć →