Ἰώνιος
From LSJ
Ἐξ ἡδονῆς γὰρ φύεται τὸ δυστυχεῖν → Nempe est voluptas mater infortunii → Denn aus der Lust erwächst des Unheils Missgeschick
English (LSJ)
α, ον,=foreg., τρόπος, of the Ionic dialect, Philostr.VA7.35:—fem. Ἰωνίς, ίδος, Ionian, Paus.6.22.7, etc.: as Subst., Call.Epigr. 27, Plu.Luc.18: Ἰωνιάς, άδος, Nic.Fr.74.4, Str.8.3.32.