ἀφέξω

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

Source

French (Bailly abrégé)

fut. de ἀπέχω.

English (Autenrieth)

see ἀπέχω.

Russian (Dvoretsky)

ἀφέξω: fut. к ἀπέχω.