τὸ ἐγδοχῖον τοῦ ὕδατος καὶ τὰ ἐν τῆι πόλει ὑδραγώγια → the water reservoir and the conduits in the city (or on the acropolis)
or ἀβῶς, (βοή) A speechless, Hsch., EM4.54. (Ion. form.)