3. A grammarian, a Phrygian or Rhodian, a pupil of Tryphon, and originally a slave, taught at Rome under the first Caesars. (Suidas, s. v.Ἄβρων.)
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.