ῥοχθέω
From LSJ
Dante Alighieri, Paradiso, XXXIII, v. 145
English (LSJ)
A dash with a roaring sound, of the sea, ῥόχθει γὰρ μέγα κῦμα ποτὶ ξερόν Od.5.402; προτὶ δ' αὐτὰς [πέτρας] κῦμα μέγα ῥοχθεῖ 12.60; ὑπὸ κύματι πέτραι ῥόχθεον sounded with the dashing of the waves, A.R.4.925; ῥοχθεῦσιν δὲ κάλωες Opp.H.1.228.—Cf. ὀρεχθέω.