ὠγαθέ
From LSJ
τὸν ἀφ' ἱερᾶς κινεῖν λίθον → move one's man from this line, move a piece from this line, try one's last chance, make a last ditch effort
French (Bailly abrégé)
crase att. p. ὦ ἀγαθέ.
Russian (Dvoretsky)
ὠγᾰθέ: in crasi = ὦ ἀγαθέ.
Greek (Liddell-Scott)
ὠγαθέ: (τινὲς γράφουσιν, ὦ’γαθὲ) ἴδε ὦ ἐν τέλει.
Greek Monotonic
ὠγᾰθέ: κράση αντί ὦ ἀγαθέ.