repercussio
From LSJ
οὐ βούλομαι δυσχερὲς εἰπεῖν οὐδὲν ἀρχόμενος τοῦ λόγου, οὗτος δ' ἐκ περιουσίας μου κατηγορεῖ → for me—but I wish to say nothing untoward at the beginning of my speech—whereas he prosecutes me from a position of advantage | but for me—I do not wish to say anything harsh at the beginning of the speech, but he prosecutes me from a position of strength
Latin > English (Lewis & Short)
rĕpercussĭo: ōnis, f. id.,
I a rebounding, repercussion: vicinorum siderum, i. e. reflection, Sen. Q. N. 7, 19.
Latin > French (Gaffiot 2016)
rĕpercussĭō, ōnis, f. (repercutio), réflexion de la lumière : Sen. Nat. 7, 19, 1.