χὠ
From LSJ
ἐγώ εἰμι τὸ ἄλφα καὶ τὸ ὦ, ὁ πρῶτος καὶ ὁ ἔσχατος, ἡ ἀρχὴ καὶ τὸ τέλος → I am the Alpha and the Omega, the first and the last, the beginning and the end
German (Pape)
[Seite 1386] zsgz. statt καὶ ὁ.
French (Bailly abrégé)
crase poét. p. καὶ ὁ.
Russian (Dvoretsky)
χὠ: Theocr. in crasi = καὶ ὁ.
Greek (Liddell-Scott)
χὠ: κατὰ κρᾶσιν ἀντὶ καὶ ὁ, Θεόκρ. 1. 100, κ. ἀλλ.· ― χὤδωνις, ἀντὶ καὶ ὁ Ἄδωνις, ὁ αὐτ. 1. 109· -χὠκ, ἀντὶ καὶ ὁ ἐκ, ὁ αὐτ. 1. 72.
Greek Monotonic
χὠ: αντί καὶ ὁ.