"Substrata" is a word in ENGLISH

The hard substratum. Same as Hard pan, under Hard, a.

The natural law, or law of nature; law. or legal principles, sup-posed to be discoverable by the light of nature …

To dig away, or otherwise remove, the substratum or foundation of; to lay a mine under; to sap; to undermine; …

A broad embankment of earth round a place, upon which the parapet is raised. It forms the substratum of every …

An imitation of any veined and ornamental stone, as marble, formed by a substratum of finely ground gypsum mixed with …

That in which any quality, attribute, or relation, whether spiritual or material, inheres, or to which any of these appertain; …

That which underlies all outward manifestations; substratum; the permanent subject or cause of phenomena, whether material or spiritual; that in …

A substratum.

The permanent subject of qualities or cause of phenomena; substance.

That which is laid or spread under; that which underlies something, as a layer of earth lying under another; specifically …