καθάπερ ὄφις παλαιὸν ἀποδύεται θώρακα → just as a snake sheds its old skin
adj.
Ar. and P. γυμνικός, P. γυμναστικός. Gymnastic exercises, subs.: Ar. and P. γυμνάσια, τά, P. ἀγωνία, ἡ.