ἅρπυια

ἅρπυια : harpy, ‘snatcher;’ the horses of Achilles had Zephyrus as sire and the harpy Podargē as dam, Il. 16.150; usually pl., ἅρπυιαι: supernatural powers, by whom those who had mysteriously disappeared were said to have been snatched away (perhaps a personification of storm-winds), Od. 1.241.