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.).
Ἰόνιος [ι_], α, ον, (Ἰώ)