suzerain
/ˈsjuːzəreɪn/noun
1- a sovereign or state having some control over another state that is internally autonomous宗主国君主; 宗主国。
1.1
- historical a feudal overlord〈史〉封建主。
派生词
suzerainty
noun词源
early 19th cent.: from French, apparently from sus 'above' （from Latin su(r)sum 'upward'）, suggested by souverain 'sovereign'.