de ‧ duct /dɪˈdʌkt/ BrE AmE verb [transitive]
[ Date: 1400-1500 ; Language: Latin ; Origin: deductus , past participle of deducere ; ⇨ ↑ deduce ]
to take away an amount or part from a total SYN subtract
deduct something from something
The payments will be deducted from your salary.
—deductible adjective :
Interest charges are tax deductible.