Ἰωνικός · Iōnikos — LSJ
Ionic, Ionian: -κοί, οἱ, = Ἴωνες, Philostr. VS 1.21.5: Ἰωνικόν (sc. ὑπόδημα), τό, a kind of
shoe, Herod. 7.59; esp. with the connotation, effeminate, Ar. Pax 46, Pl.Com. 69.14, etc. Adv. -κῶς in the Ionic fashion, i.e. softly, effeminately, Ar. Th. 163.
Ἰ. μέτρον, συζυγία, Ionic, defined in Heph. 11, cf. D.H. Comp. 4, etc.; πούς Heph. 1.9, cf. Aristid.Quint. 1.15: -κά, τά, poem in this style, Ath. 14.620e. Adv. -κῶς,, prob. in D.H. Dem. 43.
Ἰ. ἔθος, of the Ionic dialect, A.D. Pron. 74.9. Adv. -κῶς Sch. Porph. Abst. 2.36: Comp. -ώτερον A.D. Adv. 135.1.