διαπωτάομαι
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
volar fig. de la voz πᾶ μοι φθογγὰ διαπωτᾶται φοράδην; S.OT 1310.
