Is it ensure, insure, or assure?
"what is hunted," early 14c., quirre "entrails of deer placed on the hide and given to dogs of the chase as a reward," from Anglo-French quirreie, Old French cuiriee "the spoil, quarry" (Modern French curée), altered (by influence of Old French cuir "skin," from Latin corium "hide"), from Old French corée "viscera, entrails," from Vulgar Latin *corata "entrails," from Latin cor "heart" (see heart). Sense of "anything chased in hunt" is first recorded 1610s; earlier "bird targeted by a hawk or other raptor" (late 15c.).
"open place where rocks are excavated," c.1400 (mid-13c. as a place name), from Medieval Latin quareia, dissimilated from quarreria (mid-13c.), literally "place where stones are squared," from Latin quadrare "to square" (see quadrant).
1774, from quarry (n.2). Related: Quarried; quarrying.