IPA: /dɪˈdʌkt/
KK: /dɪˈdʌkt/
To take away a part or amount from a total, often to reduce the value or amount of something.
Poor plumbing deducts from the value of the house.
Past: deducted
Past Participle: deducted
To take away an amount from a total or to subtract something from a larger amount.
The accountant will deduct the expenses from the total income.
Past: deducted
Past Participle: deducted
Deduct is formed from "de-" (meaning down or away) and "ducere" (meaning to lead). The word means to lead away or take away from a total.
Think of taking something 'down' ('de-') from a total, which is what deduct means.