（*(Etairei=os), the protector of companies or associations of friends, a surname of Zeus, to whom Jason was believed to have offered the first sacrifices, when the Argonauts were assembled for their expedition. (Athen. 13.572.) [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.