plutocracy (n.)youdaoicibaDictYouDict[plutocracy 词源字典]
1650s, from Greek ploutokratia "rule or power of the wealthy or of wealth," from ploutos "wealth" (see Pluto) + -kratia "rule" (see -cracy). Synonym plutarchy is slightly older (1640s). Pluto-democracy "plutocracy masquerading as democracy" is from 1895.[plutocracy etymology, plutocracy origin, 英语词源]