sŭper-strŭo

I. 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, App. M. 10, p. 248, 27.