mid-14c., deputen, "to appoint, assign as a substitute or agent," from Old French deputer (14c.), from Late Latin deputare "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," from PIE root *pau- (2) "to cut, strike, stamp." Meaning "assign to a deputy" is from early 15c. Related: Deputed; deputing.