To build beneath something; to lay as the foundation.

What is Substruct?

: to build or lay beneath.

What does Subtracked mean?

Subtract means to take something away, usually as in taking a piece out of a whole. In math, subtract means to perform subtraction, the operation in which you find difference between two numbers or quantities. You can subtract one thing from another, as in We need to subtract the cost of labor from our total profits.