ὦ
ὦ
and ὤ, Exclamation, expressing surprise, but also joy and pain, like our O! oh! with nom., ὢ τάλας ἐγώ Soph., etc.; with gen., ὢ χρυσῶ Theocr.
with vocat. it is a mere address, ὦ θεοί, ὦ Ζεῦ, etc.; with imperat., ὦ χαῖρε Aesch.—In the first sense it is usually written ὤ, in the second ὦ.