7 ms·

Gym(nasium) comes from greek word gymnos which translates to naked. Exercise was performed naked it seems.

• xeonmc 3y ago
  and Pokemons as well I presume
• cafard 3y ago
  Well, yes: but gymnos (like the Latin nudus) can also mean lightly clothed. I assume that the men in the gymnasium did exercise unclothed, though.