variorum

英 [,veərɪ'ɔːrəm] 美[,vɛrɪ'orəm]

1. an edition containing various versions of a text or notes by various scholars or editors

variorum (adj.): "an edition (especially of the complete works of a classical author) with notes of various commentators or editors," 1728, genitive masculine plural of Latin varius "different, diverse" (see vary), in phrase editio cum notis variorum. Its use with reference to an edition of an author's works containing variant readings (1955) is "deplored by some scholars" [OED].