γυμνάζωgymnázō

to practise naked (in the games), i.e. train (figuratively)

Greek (New Testament) · G1128

Meanings

1. properly, to exercise naked.

2. Generally, to exercise, train the body or mind: 1 Timothy 4:7, Hebrews 5:14, Hebrews 12:11, 2 Peter 2:14.

Same root

Where it appears

Appears 4 times in the Bible.

1 Timothy 4:7 Do not waste time arguing over godless ideas and old wives’ tales. Instead, train yourself to be godly.
Hebrews 5:14 Solid food is for those who are mature, who through training have the skill to recognize the difference between right and wrong.
Hebrews 12:11 No discipline is enjoyable while it is happening—it’s painful! But afterward there will be a peaceful harvest of right living for those who are trained in this way.
2 Peter 2:14 They commit adultery with their eyes, and their desire for sin is never satisfied. They lure unstable people into sin, and they are well trained in greed. They live under God’s curse.

Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.