κατάρτυσις
From LSJ
ὥστε ὁ βίος, ὢν καὶ νῦν χαλεπός, εἰς τὸν χρόνον ἐκεῖνον ἀβίωτος γίγνοιτ' ἂν τὸ παράπαν → and so life, which is hard enough now, would then become absolutely unendurable
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.
Greek (Liddell-Scott)
κατάρτῡσις: -εως, ἡ, (καταρτύω), κατάρτισις (ὃ ἴδε), Ἰάμβλ. ἐν Β. Πυθ. 68 καὶ 95.