γυμν-ᾰσία · gymn-asia — LSJ
right to use γυμνάσιον, Arist. Pol. 1297a17 (s.v.l.); exercise, σωματικὴ γ. 1 Ep.Ti. 4.8: pl., IG 2(2).1006.65, SIG 1073.19 (Olympia, ii A. D.); of military exercises, ἡ ἐν τοῖς ὅπλοις γ. Plb. 4.7.6; generally, struggle, Str. 3.2.7; αἱ καθʼ ἡμέραν γ. lessons, D.H. Comp. 20: metaph. of mental exercise, Iamb. Comm.Math. 24; freq. of disputation, Pl. Tht. 169c, Arist. Top. 101a27, al.; training, γ. πρὸς τὰς πολιτικὰς πράξεις Plb. 1.1.2.
Rhet., practice: hence, arrangement, disposition, τοῦ διηγήματος Theo Prog. 4, cf. Aphth. Prog. 6.