διαυγασμός
From LSJ
Δελφῖνα νήχεσθαι διδάσκεις: ἐπὶ τῶν ἐν ἐκείνοις τινὰ παιδοτριβούντων, ἐν οἷς ἤσκηται → Teaching dolphins to swim: is applied to those who are teaching something among people who are already well versed in it
English (LSJ)
ὁ,
A splendour bursting forth, of lightning, Placit.3.3.1.
German (Pape)
[Seite 609] ὁ, der durchbrechende Glanz, Plut. plac. phil. 3, 3.
