kakistocracy (n.)youdaoicibaDictYouDict[kakistocracy 词源字典]
1829, "government by the worst element of a society," coined on analogy of its opposite, aristocracy, from Greek kakistos "worst," superlative of kakos "bad" (which perhaps is related to the general IE word for "defecate;" see caco-) + -cracy.[kakistocracy etymology, kakistocracy origin, 英语词源]