subtract from

Also found in: Idioms.
See: derogate
References in classic literature ?
Besides, it would much subtract from the glory of the exploit had St.
It was impossible to excuse a laborer who had gone home in the busy season because his father was dying, however sorry he might feel for him, and he must subtract from his pay those costly months of idleness.
You only intend, then, to dispose of that part of your fortune which the law allows you to subtract from the inheritance of your son?
Eligibility for benefits under Section 3 of the Child Status Protection Act (CSPA) is based on a mathematical formula, where you subtract from the child's age the length of time it took USCIS to process and approve the petition.