IPA: /dɪˈdʌkʃən/
KK: /dɪˈdʌkʃən/
A conclusion or amount that is taken away from a total, often related to taxes or reasoning.
The tax deduction helped reduce my overall taxable income.
Deduction → It is formed from "de-" (meaning down or away) and "ducere" (meaning to lead). The word refers to leading down to a conclusion or reasoning from general principles to specific instances.
Think of leading down ('de-') to a conclusion through reasoning ('ducere') — that's what deduction means.