γυμναςτής

οῦ, ὁ
A. trainer of professional athletes, X. Mem. 2.1.20, Pl. Lg. 720e, etc.; ἰατρὸς καὶ γ. Arist. EN 1180b14.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project