the.com/pilings
The hidden legs your building stands on, driven deep so gravity loses the argument.
means Long columns of wood, steel, or concrete driven into the ground to support a structure above unstable or wet soil.
from From Latin pilum, a heavy javelin — fittingly, since a piling is essentially a giant spear hammered into the earth to bear weight.
VeniceRests on millions of wooden pilings centuries old.
Submerged secretUnderwater wood pilings resist rot without oxygen.
Driven deepPile drivers can hammer steel hundreds of feet down.