holographus

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

hŏlŏgrăphus, a, um, adj., = ὁλόγραφος,

entirely autograph (late Lat.): epistula, entirely written by one's own hand , autograph , Hier. adv. Ruf. 3, 5: membrana, Sid. Ep. 9, 11 med. : testamentum, Isid. Orig. 5, 24.