gerontocracy
/ˌdʒerɒnˈtɒkrəsɪ/noun
1- a state, society, or group governed by old people老人统治, 老人治理。
1.1
- mass noun government based on rule by old people耆英政治。
派生词
gerontocrat
noungerontocratic
adjective词源
mid 19th cent.: from Greek gerōn, geront- 'old man' + -CRACY.