ἐπιθαλασσίδιος
From LSJ
τῶν δ᾽ ὀρθουμένων σῴζει τὰ πολλὰ σώμαθ᾽ ἡ πειθαρχία → But of those who make it through, following orders is what saves most of their lives (Sophocles, Antigone 675f.)
English (LSJ)
Att. ἐπιθαλαττίδιος, ον, = sq., Th.4.76, X.HG3.4.28, Pl.Lg.704b, etc.; ἐπιθαλαττιαῖος is prob. f.l. in Str.2.1.16, 3.4.20.