idiographus
From LSJ
Ἔλπιζε τιμῶν τοὺς θεοὺς πράξειν καλῶς → Spera felicitatem, si deos colas → Erhoffe Wohlergeh'n, wenn du die Götter ehrst
ĭdĭŏgrăphus: a, um, adj., =ἰδιόγραφος>,
I written with one's own hand: liber Vergilii, autograph, Gell. 9, 14, 7.
