deputy (n.) Look up deputy at Dictionary.com
c.1400, "one given the full power of an officer without holding the office," from Anglo-French deputé, noun use of past participle of Middle French députer "appoint, assign" (14c.), from Late Latin deputare "to destine, allot," in classical Latin "to esteem, consider, consider as," literally "to cut off, prune," from de- "away" (see de-) + putare "to think, count, consider," literally "to cut, prune" (see pave).