παρεκ-βολή · parek-bolē — LSJ
digression, lamb.Bab. 8.
compilation of a set of critical remarks, as those of Eust. on Homer, Pindar, and Dionysius Periegeta, cf. eund. ad D.P. 426; παρεκβολαὶ διαφόρων γραμματικῶν, title of Sch. D.T. in Cod. BMus.Add. 5118.