ἰυγή

A. howling, shrieking, as of men in pain, Orac. ap. Hdt. 9.43, S. Ph. 752;= γυναικῶν οἰμωγαί AB 267; but also of the shout of heralds, Tim. Pers. 233; the hissing of snakes, Nic. Th. 400, Opp. H. 1.565. [ιυ‐ Orac. ap. Hdt. l.c., Nic.; ιυ‐ in S.l.c.]
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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