Deplete
Deplete , transitive verb
[From Latin deplere to empty out; de- + plere to fill. Forined like replete, complete. See Fill, Full, a.]
1.
(Medicine) To empty or unload, as the vessels of human system, by bloodletting or by medicine. — Copland
2.
To reduce by destroying or consuming the vital powers of; to exhaust, as a country of its strength or resources, a treasury of money, etc. — Saturday Review