Lewis Short
(verb) : dē-grĕdĭor, gressus, 3, gradior
* To go down, march down, descend (never, to go away, depart, like digredior— freq. only after the Aug. period, esp. in Liv. and Tac.): de via in semitam,Plaut. Cas. 3, 5, 40 (dub.): degressus ex arce,Liv. 5, 52: templo,id. 8, 35: monte,Sall. J. 49, 4: colle,id. ib. 50, 1: jugis,Tac. H. 1, 61: Alpibus,id. ib. 2, 66 fin.: palatio,id. ib. 3, 67 al.—Absol.: degrediente eo magnā prosequentium multitudine,Tac. A. 13, 14; 13, 54; id. H. 2, 51; id. Agr. 37; Plin. 8, 16, 21, § 58: in campum,Liv. 7, 24; 44, 5 fin.: in specum,Tac. A. 2, 54 fin.: in aequum,id. Agr. 18: ad pedes,to alight, dismount,Liv. 3, 62 fin.; 29, 2. (In Cic. de Or. 2, 19, 80, the true reading is digredi.)
Charlton T. Lewis, Charles Short, A Latin Dictionary