θαλάσσειος

From LSJ

ἀσκεῖν περὶ τὰ νοσήματα δύο, ὠφελεῖν ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm

Source

Greek Monolingual

θαλάσσειος, -ον (Α) θάλασσα
αυτός που ανήκει ή αναφέρεται στη θάλασσα.

German (Pape)

θαλασσαῖος, Orac.Sib.