τρικυμία
From LSJ
πάτερ, ἄφες αὐτοῖς, οὐ γὰρ οἴδασιν τί ποιοῦσιν → father, forgive them, for they know not what they do
English (LSJ)
ἡ,
A group of three waves, τὸ μέγιστον [κῦμα] τῆς τ. Pl.R.472a; ἑτέραν περιμει-ναι χἀτέραν τ. Men.536.8: then, a mighty wave or swell, E.Hipp.1213, Tr.83 (pl.), Id.ap Satyr. Vit.Eur.Fr.38 iii 14, Com.Adesp. in PSI10.1176.11: metaph. κακῶν τ. A.Pr.1015; σῶσαι ἐκ τῆς τ. τοῦ λόγου Pl.Euthd.293a; ἐν ἁπάσαις τ. τῆς τύχης Luc.Dem.Enc.33; αἱ τῶν βασάνων τ. LXX4 Ma.7.2.