μεθίεμαι

From LSJ

ἐπὶ τῷ μὴ κοινωνικῶς χρῆσθαι τοῖς εὐτυχήμασι → for not having used their success in a spirit of partnership

Source

Russian (Dvoretsky)

μεθίεμαι: med. к μεθίημι.