ἀτηρός

Adv. ά, όν
A. blinded by ἄτη, hurried to ruin, Thgn. 433,634; φρήν S. Fr. 264.
II. baneful, mischievous, δύη A. Pr. 746; τύχη Id. Ag. 1483 (lyr.); κακόν E. Andr. 353; ναυτιλίη AP 9.23 (Antip.); τὸ ἀ. bane, mischief, A. Eu. 1007 (anap.); μή τι ἀ. ποιέωσι [οἱ παῖδες] Democr. 279.—Once in Com., ἀτηρότατον κακόν an 'outrageous' nuisance, Ar. V. 1299; and so Adv. ‐ῶς 'awfully' as a slang word, Phld. Mus. p.105K.: in Pl. Cra. 395b and c introduced only for an etym. purpose: also in later Prose, D.L. 6.99.