πέλαγος
πέλαγος
.πέλᾰγος, ος, εος, τό,
the sea, esp. the high sea, open sea, the main, Lat. pelagus, Hom., etc.; joined with other words denoting sea, ἁλὸς ἐν πελάγεσσιν (cf. aequora ponti), Od.; πόντιον π. or πόντου π., Pind.; ἅλς πελαγία Aesch.; ἅλιον π. Eur.: often of parts of the sea (θάλασσα) , Αἰγαῖον p. Aesch.; ἐκ μεγάλων πελαγῶν, τοῦ τε Τυρσηνικοῦ καὶ τοῦ Σικελιοῦ Thuc.
metaph., of any vast quantity, π. κακῶν a "sea of troubles, " Aesch.; π. δύης Aesch.; εἰς τὸ π. τῶν λόγων Plat.; also of great difficulties, Soph.