κατάρτυσις
From LSJ
ζηλοῦτε δὲ τὰ χαρίσματα τὰ μείζονα. Καὶ ἔτι καθ᾽ ὑπερβολὴν ὁδὸν ὑμῖν δείκνυμι (1 Corinthians 12:31) → But go ahead and strive for the greater gifts. And I'm about to show you a still more excellent way.
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.