εὐμαρία
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
German (Pape)
[Seite 1079] ion. u. poet. εὐμαρίη, = εὐμάρεια.
Russian (Dvoretsky)
εὐμαρία: ἡ = εὐμάρεια.
