Yours, Etc.: Origins and Uses of 8 Sign-Offs
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).
in Arthurian legend, the table of Arthur, Britain's legendary king, which was first mentioned in Wace of Jersey's Roman de Brut (1155). This told of King Arthur's having a round table made so that none of his barons, when seated at it, could claim precedence over the others. The literary importance of the Round Table, especially in romances of the 13th century and afterward, lies in the fact that it served to provide the knights of Arthur's court with a name and a collective personality. The fellowship of the Round Table, in fact, became comparable to, and in many respects the prototype of, the many great orders of chivalry that were founded in Europe during the later Middle Ages. By the late 15th century, when Sir Thomas Malory wrote his Le Morte Darthur, the notion of chivalry was inseparable from that of a great military brotherhood established in the household of some great prince