Ἑλεάται

From LSJ

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

Source

Spanish (DGE)

-ῶν, οἱ heleatas ét. de Helos de Laconia, Theopomp.Hist.13.