R / rĕgressĭo
noun

rĕgressĭo

gen. rĕgressōnis · gender feminine · decl. 3rd
a going back; return; a retiring; retreat
a going back, return; a retiring, retreat (postAug.).
Lit.: maturata, App. M. 2, p. 122, 39: vespertina, id. ib. 9, p. 227, 17: non incruenta, Front. Princ. Hist. —
repetition figuratively
Trop., a fig. of rhetoric, repetition, the Gr. ἐπάνοδος, Quint. 9, 3, 35; Rufin. Schem. Lex. 19 (p. 252 Frotsch.).