retrogradior
From LSJ
Τὰς γὰρ ἡδονὰς ὅταν προδῶσιν ἄνδρες, οὐ τίθημ' ἐγὼ ζῆν τοῦτον, ἀλλ' ἔμψυχον ἡγοῦμαι νεκρόν → But when people lose their pleasures, I do not consider this life – rather, it is just a corpse with a soul
Latin > English (Lewis & Short)
rē̆trō-grădĭor: di,
I v. dep. n. (collat. form rē̆trōgrădo, āre, v. n., Mart. Cap. 8, § 887), to go back or backwards, to retrograde, Plin. 8, 15, 16, § 39; of the retrograde motion of the stars, id. 2, 15, 12, § 61; 2, 17, 14, § 76; Mart. Cap. 8, § 883.
Latin > French (Gaffiot 2016)
rĕtrōgrădĭor (rĕtrō grădĭor), gressus sum, gradi, intr., rétrograder : Plin. 8, 40 ; 2, 61.