Webster's Revised Unabridged Dictionary · 1913

Depauperate

Depauperate , verb, transitive and intransitive

[Late Latin depauperatus, p. p. depauperare to impoverish; Latin de- + pauperare to make poor, pauper poor.]

To make poor; to impoverish.
Liming does not depauperate; the ground will last long, and bear large grain. — Mortimer
Humility of mind which depauperates the spirit. — Jer. Taylor

Depauperate , adjective

[Latin depauperatus, p. p.]

(Botany) Falling short of the natural size, from being impoverished or starved. — Gray