ἅλς · hals — LSJ
sea (generally of shallow water near shore), εἰς ἅλα δῖαν Il. 1.141; χεῖρας νιψάμενος πολιῆς ἁλός in sea-water, Od. 2.261; ἢ ἁλὸς ἢ ἐπὶ γῆς 12.27: sts. pleonast. πόντος ἁλός Il. 21.59, Thgn. 10; ἁλὸς πελάγη or πέλαγος, Od. 5.335, h.Ap. 73, E. Tr. 88; πελαγίαν ἅλα A. Pers. 427; παρʼ ἁλμυρὰν ἅλα E. Ba. 17; in pl. (with a pun on ἅλς A), Ar. Ach. 760.—Poet. word: nom. only Emp. 56. (Cf. Lat. sal: both masc. and fem. are from the same root.)