Where does “poraić” come from?

poraić (Polish) comes from Polish po-, from Old Polish po-, from Proto-Slavic po- — after.

Ancestry of “poraić”, step by step

StepLanguageWordMeaning
1Polishpo-Prepended to imperfective verbs to form iterative...
2Old Polishpo-perfectivizing prefix
3Proto-Slavicpo-after
Every word from Proto-Slavic po- →Every word from Polish po- →Every word from Old Polish po- →