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Cătăbathmos, i, m., = Καταβαθμός, a tract of land in Libya, between Egypt and Cyrenaica, now Akabah, with a city of the same name, Sall. J. 17, 5; 19, 3; Mel. 1, 8, 1; 1, 9, 1; Plin. 5, 5, 5, § 32.