rē^trōgrădus

I. going back or backwards, retrograde; usually of the stars, Sen. Q. N. 7, 25; Plin. 2, 17, 15, § 77; Sid. Ep. 8, 11: carmen retrogradum (i. e. reciprocum), Aug. Civ. Dei, 17, 15: retrogradis fuga, App. l. l.