οὐαί
From LSJ
Πάντα ταῦτα ἐπείρασα ἐν τῇ σοφίᾳ: εἶπα Σοφισθήσομαι, καὶ αὐτὴ ἐμακρύνθη ἀπ' ἐμοῦ· κτλ. (Εcclesiastes 7:23f., LXX version) → I tried to give proof in wisdom of all those things; I said, I will be wise, but that wisdom was far from me ...
English (LSJ)
exclam. of pain and anger,
A ah! woe! c. nom., LXX Am.5.18, al.: c. voc., ib.3 Ki.13.30: c. dat., οὐαί μοι, οὐαί σοι, woe is me! woe to thee! ib.Nu.21.29, Arr.Epict.3.19.1, Mim.Oxy.413.184: c. acc., οὐαὶ οὐαὶ οὐαὶ τοὺς κατοικοῦντας ἐπὶ τῆς γῆς Apoc.8.13. II οὐαί· φυλαί (Cypr.), Hsch. (Cf. Dor. ὠβά.)