Sub·di·vide v. t. [imp. & p. p. Subdivided p. pr. & vb. n. Subdividing.] To divide the parts of (anything) into more parts; to part into smaller divisions; to divide again, as what has already been divided.
The progenies of Cham and Japhet swarmed into colonies, and those colonies were subdivided into many others. --Dryden.
adj : divided again after a first division, e.g. of a tract of
land, divided into lots