Ἔμπουσα

A. Empusa, a hobgoblin, assuming various shapes, said to be sent by Hecate, Ar. Ra. 293, Ec. 1056, D. 18.130; sts. identified with Hecate, Ar. Fr. 500.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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