G1128–γυμνάζω–gumnazō

but refuse profane and old wives' fables. And exercise thyself unto godliness:

γύμναζε gumnaze “do train”

But solid food is for fullgrown men, [supplied: even] those who by reason of use have their senses exercised to discern good and evil.

γεγυμνασμένα gegumnasmena “trained”

All chastening seemeth for the present to be not joyous but grievous; yet afterward it yieldeth peaceable fruit unto them that have been exercised thereby, [supplied: even the fruit] of righteousness.

γεγυμνασμένοις gegumnasmenois “trained”

having eyes full of adultery, and that cannot cease from sin; enticing unstedfast souls; having a heart exercised in covetousness; children of cursing;

γεγυμνασμένην gegumnasmenēn “exercised”