ChekayoudaoicibaDictYouDict[Cheka 词源字典]
early Soviet secret police, 1921, from Russian initials of Chrezvychainaya Komissiya "Extraordinary Commission (for Combating Counter-Revolution);" set up 1917, superseded 1922 by G.P.U.[Cheka etymology, Cheka origin, 英语词源]
Contra (n.)youdaoicibaDictYouDict
1981, "anti-Sandinista Nicaraguan," short for Spanish contrarrevolucionario "counter-revolutionary."
counterrevolution (n.)youdaoicibaDictYouDict
also counter-revolution, 1791, from counter- + revolution. First recorded in U.S. with reference to American Revolution.