I.to build beneath, to underbuild, lay; lit.: “fundamentum,” Plaut. Most. 1, 2, 40: “intervalla montium,” Vitr. 8, 7 med.; cf.: “intervalla substructis canalibus junguntur,” Plin. 33, 4, 21, § 74: “locus substructus,” Varr. L. L. 5, § 155 Müll.: “Capitolium saxo quadrato,” Liv. 6, 4: “substruendo iter facere,” Dig. 8, 1, 10: “vias glareā,” i. e. to lay, to pave, Liv. 41, 27.—Absol.: non alte substruitur, the foundation is not laid deeply, Vitr. 8, 6, 5. —P. a. as subst.: substructum , i, n., = substructio, Vitr. 8, 7 med.
sub-strŭo , xi, ctum, 3, v. a.,