gymnastĭcus — Lewis & Short
gymnastĭcus, a, um, adj., = gumnastiko/s,
I of or belonging to bodily exercise, gymnastic (Plautinian, for which Cic. uses gymnicus):
pro exercitu gymnastico et palaestrico hoc habemus,Plaut. Rud. 2, 1, 7:
arte gymnastica, disco, hasta, pila,id. Most. 1, 2, 72 (a spurious line).