ἠπίαλος

English (LSJ)

ὁ,

   A ague, Thgn.174, Gal.7.347; ἠ. πυρετός Hp.Superf.34, Dsc.4.68; ἠ. πυρετοῦ πρόδρομος Ar.Fr.332: in pl., ἠ. καὶ πυρετοί Hp.Aër.3: metaph., ἀηδόνων ἠ. ague to nightingales, Com. name of a bad poet, Phryn. Com.69.    II = foreg., nightmare, Ar.V.1038, as expld. by Did. ap.Sch. (but coupled with πυρετοί).