ἐκκορυφόω
From LSJ
τὸ ἀνάλημμα καὶ τὴν ἐπ' αὐτοῦ κερκίδα → the retaining wall and the wedge of theatre seats supported by it
English (LSJ)
λόγον
A tell a tale summarily, state the main points, Hes. Op.106 :—Pass., ἐκκεκορύφωται ὁ λόγος Hp.Morb.4.48.
German (Pape)
[Seite 764] die Hauptpunkte vortragen; λόγον Hes. O. 106.