SUBDUCE
Etymology
Verb
subduce (third-person singular simple present subduces, present participle subducing, simple past and past participle subduced)
To withdraw; to take away.
To subtract by arithmetical operation; to deduct.
Source: Wiktionary
Sub*duce", Sub*duct", v. t. Etym: [L. subducere, subductum; sub under
+ ducere to lead, to draw. See Duke, and cf. Subdue.]
1. To withdraw; to take away. Milton.
2. To subtract by arithmetical operation; to deduct.
If, out of that infinite multitude of antecedent generations, we
should subduce ten. Sir M. Hale.
Source: Webster’s Unabridged Dictionary 1913 Edition