Question

noun1 (often foundations) the lowest load-bearing part of a building, typically below ground level.2 an underlying basis or principle: 3 the action of establishing an institution or organization.

Accepted Answer

foundation

Front	noun 1 (often foundations) the lowest load-bearing part of a building, typically below ground level. 2 an underlying basis or principle: 3 the action of establishing an institution or organization.
Back	foundation

Noun Foundations Lowest Load Bearing Part Building Typically Ground