查询结果:

n. (可数)权威者,有权威性的典籍;(不可数)威信,权威,权力;(pl.)当局,官方
authorities

来源于拉丁语auctor, -oris, m(创造者)。

拆分: -auth-增加→创造→权威 + -or名词词尾,行为 + -ity名词词尾  

例:
the authorities concerned 有关当局
He is an authority on English. 他是英语方面的权威。
Chinese parents have more authority over their children. 中国的父母在孩子面前更有威信。
They were given authority to make arrests.他们被授予拘捕权。