round-table (n.)youdaoicibaDictYouDict[round-table 词源字典]
also roundtable, 1826 in reference to a gathering of persons in which all are accorded equal status (there being no head of a round table.) King Arthur's Round Table is attested from c. 1300, translating Old French table ronde (1155, in Wace's Roman de Brut).[round-table etymology, round-table origin, 英语词源]