successor (n.)youdaoicibaDictYouDict[successor 词源字典]
"one who comes after," late 13c., from Anglo-French successor and Old French successour "successor, heir" (12c., Modern French successeur), from Latin successor "follower, successor," agent noun from past participle stem of succedere "to come after" (see succeed).[successor etymology, successor origin, 英语词源]