οὐαί

interj. of grief or denunciation, [in LXX for הוֹי, etc. ;]

alas! woe! most frequently with dative of person(s) Mat.11:21 23:14, Mrk.13:17 14:21, Luk.6:24-26 Ju 11, al.; with vocat. (nom.), Rev.18:10, 16 18:19 (cf. Isa.1:24, al.); with accusative, Rev.12:12, before ἐκ, Rev.8:13; with dative before ἀπό (see M, Pr. 246), Mat.18:7. As subst. 1Co.9:16 (cf. Jer.6:4); ἡ οὐ. Rev.9:12 11:14; pl. Rev.9:12; οὐ. οὐ. οὐ. Rev.8:13

(AS)

alas! woe!