Dictionary entry

γυμνάζω

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

** γυμνάζω

(< γυμνός), [in LXX: II Mac 10:15 *;]

1. properly, to exercise naked.

2. Generally, to exercise, train the body or mind: I Ti 4:7, He 5:14 12:11, II Pe 2:14.†