Ἰόνιος
From LSJ
Ὁ δὲ μὴ δυνάμενος κοινωνεῖν ἢ μηδὲν δεόμενος δι' αὐτάρκειαν οὐθὲν μέρος πόλεως, ὥστε ἢ θηρίον ἢ θεός → Whoever is incapable of associating, or has no need to because of self-sufficiency, is no part of a state; so he is either a beast or a god
English (LSJ)
[ῑ], α, ον, (Ἰώ)
A of or called after Io, epith. of the sea between Epirus and Italy, at the mouth of the Adriatic sea, across which Io swam, πόντιος μυχὸς . . Ἰόνιος κεκλήσεται, τῆς σῆς πορείας μνῆμα A.Pr. 840; another expl. in Theopomp.Hist.125; Ἰ. κόλπος Hdt.6.127, Th.1.24; θάλασσα, πόρος, Pi.P.3.68, N.4.53; also simply ὁ Ἰόνιος Th. 6.30; later Ἰόνιον πέλαγος AP6.251 (Phil.).