ἰεῦ
From LSJ
αἰὲν ἀριστεύειν καὶ ὑπείροχον ἔμμεναι ἄλλων → always strive for excellence and prevail over others (Iliad 6.208, 11.784)
English (LSJ)
an ironical exclamation,
A whew! Ar.V.1335.
German (Pape)
[Seite 1244] Interjection des Spottes, hui, Ar. Vesp. 1335.
Greek (Liddell-Scott)
ἰεῦ: χλευαστικὸν ἐπιφώνημα, Λατ. hui!, Ἀριστοφ. Σφ. 1335,