Webster's Revised Unabridged Dictionary · 1913

Deduct

Deduct , transitive verb

[Latin deductus, past participle of deducere to deduct. See Deduce.]

1.
To lead forth or out. [Obsolete]
A people deducted out of the city of Philippos. — Udall
2.
To take away, separate, or remove, in numbering, estimating, or calculating; to subtract; -- often with from or out of.
Deduct what is but vanity, or dress. — Pope
Two and a half per cent should be deducted out of the pay of the foreign troops. — Bp. Burnet
We deduct from the computation of our years that part of our time which is spent in... infancy.
3.
To reduce; to diminish. [Obsolete]
Do not deduct it to days. — Massinger