ἔστιν δέ που ἡ μὲν ἐπὶ σώμασι γυμναστική, ἡ δ' ἐπὶ ψυχῇ μουσική → I think I am right in saying that we have physical exercise for the body and the arts for the soul
părastas: ădis, f., = παραστάς,
I a four-cornered pillar or column, a pilaster, Vitr. 10, 15; cf. parastata.
părastăs, ădis, f. (παραστάς), pilastre, montant [dans une baliste, une catapulte] : Vitr. Arch. 10, 10, 2.