Where does “powstański” come from?

powstański (Polish) comes from Polish powstanie, from Old Polish powstanie, from Old Polish powstać, from Old Polish po-, from Proto-Slavic po- — after.

Ancestry of “powstański”, step by step

StepLanguageWordMeaning
1Polishpowstanieuprising, rising, insurrection, rebellion
2Old Polishpowstanie
3Old Polishpowstaćto stand up, to rise, to get up
4Old Polishpo-perfectivizing prefix
5Proto-Slavicpo-after
Every word from Proto-Slavic po-Every word from Old Polish po-Every word from Old Polish powstać