sŭper-strŭo, xi, ctum, 3, v. a.,
to build upon or over , to superstruct (postAug. and very rare): ligneam compagem, Tac. A. 4, 62: moles, Sen. Contr. 1 prooem. fin. : quidquid his (fundamentis) superstruxeris, corruet, Quint. 1, 4, 5: desuper pulvillis superstruunt, Ap. Met. 10, 20, 10.