constable
/ˈkʌnstəbl/noun
1
- Brit. a police officer〈英〉警察; 警官。
1.1
- （亦作police constable）a police officer of the lowest rank等级最低的警官。
2
- the governor of a royal castle（皇家城堡的）总管。
2.1
- historical the highest-ranking official in a royal household〈史〉王室总管; 宫廷最高长官。
词源
Middle English (in sense 2)： from Old French conestable, from late Latin comes stabuli 'count (head officer) of the stable'. Sense 1 dates from the mid 19th cent.