Lewis Short
(adjective) = αὐτόγραφος: autŏgrăphus, a, um
* Written with one's own hand, autograph: Autographā quādam epistulā Cenavi, ait, mi Tiberi, cum īsdem,Suet. Aug. 71: litterae,id. ib. 87.—Also subst.: autŏ-grăphum, i, n., an autograph, Symm. Ep. 3, 11.
Charlton T. Lewis, Charles Short, A Latin Dictionary