regime (n.)youdaoicibaDictYouDict[regime 词源字典]
"system of government or rule," 1792, from French régime, from Old French regimen (14c.), from Latin regimen "rule, guidance, government, means of guidance, rudder," from regere (see regal). Earlier "course of diet, exercise," late 15c. In French, l'ancien régime refers to the system of government before the revolution of 1789.[regime etymology, regime origin, 英语词源]