was, according to Dio Cassius (45.1), the surname of C. Octavius, afterwards the emperor Augustus.
This cognomen, however, is not mentioned by any other writer, nor even by Dio Cassius himself in any other passage.
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.