retroversum
From LSJ
αὐτόχειρες οὔτε τῶν ἀγαθῶν οὔτε τῶν κακῶν γίγνονται τῶν συμβαινόντων αὐτοῖς → for not with their own hands do they deal out the blessings and curses that befall us
rĕtrōversum, adv., à reculons : Pl. d. Non. 145, 14 || -versus, en sens inverse : Petr. 44, 12.