δυσμαθής
From LSJ
Κάλλιστόν ἐστι κτῆμα παιδεία βροτοῖς → Doctrina hominibus optima est possessio → für Sterbliche ist Bildung das wertvollste Gut
English (LSJ)
ές,
A hard to learn, Id.Ag.1255; δ. ἰδεῖν hard to know at sight, E.Med.1196; τὸ δ. difficulty of knowing, Id.IT478. II Act., slow at learning, dull, Pl.R.358a, etc.: Comp., Plu.2.992d: Sup., Ph.2.175, Jul.Or. 7.225b. Adv. δυσμαθῶς, ἔχειν Pl.R.503d.