catholicon

catholicon [καθολικόν] 1 a general purgative. b title of a dictionary (esp. that of Johannes de Janua). a purgatio fiat cum ~on, quod purgat omnes humores Gad. 4v. 2.  b c1392 Willelmo de Kendall, diacono, pro correccione j libri ~on, xx s. Fabr. York 129; a1400 ~on in j volumine (Catalog.) FormOx 244; 1432 isti sunt libri spectantes ad chorum: ‥ item ~on valde preciosum et solemne coopertum coreo albo cathenatum juxta magnum altare Reg. Glasg. 334; c1432 item liber ~on ex dono domini fundatoris (Catalog. Coll. Wint.) Arch. J. XV 74; 1439 item ~on Januensis (Catalog.) MunAcOx 765; 1483 ~on Anglicanum CathA (title). 2 primatial see or (?) patriarch (καθολικός). Armenia, in qua est ~on habens cccc sub se archiepiscopos, ad fidem convertitur R. Niger 139.