LSJ
ες, like a dirge, fit for a dirge, ἁρμονίαι Pl. R. 398e, 411a; ὀδυρμός Tim. Pers. 113; φθόγγος, μέλος, Plu. Sull. 7, Hdn. 4.2.5; τὸ θ. τῆς ψυχῆς mournful mood, Plu. 2.822c. = θρηνητικός, of persons, Pl. Lg. 792b; τὸ θ. Id. R. 606b.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)