relinquish

v. 1 surrender or resign (a right or possession). 2 give up or cease from (a habit, plan, belief, etc.). 3 relax hold of.  relinquishment n. [latin relinquo -lict- leave behind]

v. t. To withdraw from; to leave behind; to desist from; to abandon; to quit; as, to relinquish a pursuit.