Where does “Чека́” come from?

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

Ancestry of “Чека́”, step by step

StepLanguageWordMeaning
1RussianЧКCheka forerunner of the KGB
2RussianВсеросси́йская чрезвыча́йная коми́ссияAll-Russian Extraordinary Commission

Words derived from “Чека́

Every word from Russian Всеросси́йская чрезвыча́йная коми́ссияEvery word from Russian ЧК