ἐγκλείστρα

From LSJ

ξένῳ δὲ σιγᾶν κρεῖττον ἢ κεκραγέναι → it's better for a stranger to keep silence than to shout (Menander)

Source

Spanish (DGE)

-ας, ἡ
jaula, prisión εἰς τὴν ἐκκλησιαστικὴν ἐγκλείστραν ἐμβάλλεσθαι Ath.Scholast.Coll.1.15.