（Ἐπαινή), that is, the fearful, a surname of Persephone. (Hom. Il. 9.457.) Plutarch (de Aud poet. p. 23a.) derives the name from αἶνος, which suggests, that it might also be understood in a euphemistic sense as the praised goddess. [L.S]
William Smith. A Dictionary of Greek and Roman biography and mythology. London. John Murray: printed by Spottiswoode and Co., New-Street Square and Parliament Street. In the article on Soranus, we find: "at this present time (1848)" and this date seems to reflect the dates of works cited. 1873 - probably the printing date.