παλιρρύμη
From LSJ
οὕτως εἴη ἡμίν ὁ Θεός βοηθός καὶ τὸ ἱερὸν Αὐτοῦ Εὐαγγέλιον ὧδε ἐμφανισθέντα-ὁρκισθέντα → so help us God and Ηis holy Gospel the things here declared and sworn
English (LSJ)
or πᾰλιν-ρύμη [ῡ], ἡ,
A rush backwards, back-flow, τοῦ σάλου Plu.Flam.10; π. τύχης a reverse of fortune, Plb. 15.7.1, D.S.3.51 (mostly and perh. rightly written divisim in codd.).