ῥοϊσμός
From LSJ
κοινὴ γὰρ ἡ τύχη καὶ τὸ μέλλον ἀόρατον → fortune is common to all, the future is unknown | fortune is common to all and the future unknown | fate is common to all and the future unknown
English (LSJ)
ὁ, (ῥοΐζω) = ὁ τῶν ἵππων ῥισμός (sic), Hsch.
Greek (Liddell-Scott)
ῥοϊσμός: ὁ, (ῥοΐζω) κολύμβημα, ἐπὶ ἵππων, «ροϊσμός· ὁ τῶν ἵππων» Ἡσύχ.