κατάρτυσις
From LSJ
μοχθεῖν τε βροτοῖσ(ιν) άνάγκη → and you mortals must endure trouble (Euripides' Hippolytus 208)
English (LSJ)
εως, ἡ,
A training, discipline, παιδεία καὶ κ. Plu.Them.2; ψυχῶν Iamb.VP16.68, cf. 20.95. 2 = confectio, Gloss.
German (Pape)
[Seite 1376] ἡ, Zubereitung, Einrichtung, Anordnung, Erziehung, Sp.; von Pferden, Dressur, Plut. Them. 2.