Where does “czekistka” come from?

czekistka (Polish) comes from Polish czekista, from Russian чеки́ст, from Russian Чека́, from Russian ЧК, from Russian Всеросси́йская чрезвыча́йная коми́ссия — All-Russian Extraordinary Commission.

Ancestry of “czekistka”, step by step

StepLanguageWordMeaning
1PolishczekistaChekist
2Russianчеки́стChekist; an agent of the Cheka, the Soviet Russian secret police from 1917 to 1922, replacing the Okhrana secret police of Tsarist Russia; succeeded by the OGPU and NKVD
3RussianЧека́
4RussianЧКCheka forerunner of the KGB
5RussianВсеросси́йская чрезвыча́йная коми́ссияAll-Russian Extraordinary Commission
Every word from Russian Всеросси́йская чрезвыча́йная коми́ссияEvery word from Russian ЧКEvery word from Russian Чека́