inspector (n.)youdaoicibaDictYouDict[inspector 词源字典]
c. 1600, "overseer, superintendent," from Latin inspector, agent noun from past participle stem of inspicere (see inspection). As a police ranking between sergeant and superintendent, it dates from 1840. Related: Inspectorial. Of the 18c. feminine formations, inspectrix (1715) is earlier than inspectress (1785).[inspector etymology, inspector origin, 英语词源]