τὴν οἴησιν ἔλεγε προκοπῆς ἐγκοπήν → he used to say, Opinion forming is the stoppage of progress
Arīon, name of the horse of Adrastus at the siege of Thebes, Il. 23.346.
Ἀρείων: ονος ὁ Арейон (имя лошади Адраста Hom. и Геракла Hes.).
v. Ἀρίων.