sovereignty (n.)youdaoicibaDictYouDict[sovereignty 词源字典]
mid-14c., "pre-eminence," from Anglo-French sovereynete, Old French souverainete, from soverain (see sovereign (adj.)). Meaning "authority, rule, supremacy of power or rank" is recorded from late 14c.; sense of "existence as an independent state" is from 1715.[sovereignty etymology, sovereignty origin, 英语词源]