Lewis & Short

Autŏmĕdōn, ontis, m., = Αὐτομέσων.

  1. I. A son of Diores and charioteer of Achilles, Verg. A. 2, 477.
    Hence,
  2. II. Meton. for a charioteer, in gen., Cic. Rosc. Am. 35, 98; Juv. 1, 61.