substruction

Mane (Îngilîzî)

underbuilding; the foundation, or any preliminary structure intended to raise the lower floor or basement of a building above the natural level of the ground.

Hevwate

substructure

infrastucture

Werger

Unterbau

البناء تحت مبنى مشيّد

Substruktion

Etîmolojî (Îngilîzî)

From Latin substructio, from substruere, substructum (“to build beneath”), from sub (“under”) + struere (“to build”).