Where does “pierestrojkowy” come from?

pierestrojkowy (Polish) comes from Polish pierestrojka, from Russian перестро́йка, from Russian пере-, from Proto-Slavic per-, from Proto-Slavic pro-, from Proto-Slavic *pro, from Proto-Balto-Slavic *pra, from Proto-Indo-European pró — passed , crossed.

Ancestry of “pierestrojkowy”, step by step

StepLanguageWordMeaning
1PolishpierestrojkaAlternative spelling of pieriestrojka
2Russianперестро́йкаrestructuring
3Russianпере-over, over again; across, trans-; too much
4Proto-Slavicper-over-; re-
5Proto-Slavicpro-pro-, for-, through
6Proto-Slavic*profor
7Proto-Balto-Slavic*pra
8Proto-Indo-Europeanprótoward, leading to
9Proto-Indo-Europeanper-before, in front; first; to go through
10Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European pró
pierestrojkowy — Etymology, Origin & Word History | Etymology Explorer