（*(/Orkos), the personification of an oath, is described by Hesiod as the son of Eris, and the avenger of perjury. (Theog. 231, Op. 209 ; Hdt. 6.86.3.) [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.