τὸ ἐγδοχῖον τοῦ ὕδατος καὶ τὰ ἐν τῆι πόλει ὑδραγώγια → the water reservoir and the conduits in the city (or on the acropolis)
subjectus: a, um, Part. and P. a., from subicio.
subjectus: ūs, m. subicio,
I a laying under (post-Aug. and very rare), Plin. 26, 15, 90, § 154.