Ĭos

i, f.
I. a small island of the Sporades, in the Ægean Sea, now Nio, Mel. 2, 7, 11; Plin. 4, 12, 23, § 69.—ĭētae, ārum, m., = Ἰῆται, the inhabitants of Ios, Varr. ap. Gell. 3, 11, 6.
Lewis & Short
A Latin Dictionary, 1879
An open-access project