subduct

{ } v. t. [ L. subducere, subductum; sub under + ducere to lead, to draw. See Duke, and cf. Subdue. ] 1. To withdraw; to take away. Milton. [ 1913 Webster ]

2. To subtract by arithmetical operation; to deduct. [ 1913 Webster ]

If, out of that infinite multitude of antecedent generations, we should subduce ten. Sir M. Hale. [ 1913 Webster ]