διαλαμπρύνω
From LSJ
λίγεια μινύρεται θαμίζουσα μάλιστ' ἀηδών → the sweet-voiced nightingale mourns constantly, the sweet-voiced nightingale most loves to warble
English (LSJ)
A make splendid, illustrate, λόγον παλαιόν Plu.2.734f; illuminate, Dsc.Ther.Praef.p.50S. (v.l.).
German (Pape)
[Seite 586] verstärktes simpl., neben ἐκκαθαίρειν λόγον τινὰ παλαιόν, ὥςπερ ἐκ καπνοῦ καθελὼν ἠμαυρωμένον, Plut. Symp. 8, 10, 2.