δεκακυμία
From LSJ
Λεύσσετε, Θήβης οἱ κοιρανίδαι τὴν βασιλειδᾶν μούνην λοιπήν, οἷα πρὸς οἵων ἀνδρῶν πάσχω → See, you leaders of Thebes, what sorts of things I, its last princess, suffer at the hands of such men
English (LSJ)
ἡ, (κῦμα)
A tenth (i.e. overwhelming) wave, Luc.Merc.Cond.2.
German (Pape)
[Seite 542] ἡ, (zehnfach) starke Fluth, fluctus decumanus, Luc. Merc. cond. 2.