κρήμνισις
From LSJ
θεοῦ θέλοντος κἂν ἐπὶ ῥιπὸς πλέοις → if God willed it, you could sail even on a straw mat | God willing, you may voyage on a mat
English (LSJ)
-εως, ἡ, hurling down headlong, Sch.Th. 7.45.
German (Pape)
[Seite 1507] ἡ, das Hinabstürzen, Schol. Thuc. 7, 45.
Greek (Liddell-Scott)
κρήμνῐσις: -εως, ἡ, τὸ κατακρήμνισμα, Σχόλ. εἰς Θουκ. 7. 45.