Βύζας
Could not find Βύζαντος in Logeion dictionaries.
Βύζαντος Proper-name noun: masculine genitive singular of Βύζας
Bizante fundador mítico de Bizancio (pero cf.
Βύζας, αντος (ὁ) Byzante, fondateur de Byzance, DS. 4, 49 ; Nonn. D. 3, 366 ; A. Pl. 4, 67 ; etc.