κληρονομία
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)
ἡ,
A inheritance, Isoc.19.43, etc.; ἡ κ. κατὰ τὴν ἀγχιστείαν inheritance as heir-at-law, D.43.3; κ. μὴκατὰδόσιν, ἀλλὰκατὰ γένος Arist.Pol.1309a23: metaph., εἰλήφασι τὴν τοῦ ὀνόματος κ. αἱ σωματικαὶ ἡδοναί have taken possession of... Id.EN1153b33. 2 property, possession, ἀνέζευξεν ἕκαστος εἰς τὴν κ. αὐτοῦ LXX Ju.16.21(25), cf. 1 Ma.2.56, 6.24.