Proto-Indo-European root meaning "to run."
It forms all or part of: car; career; cargo; caricature; cark; carpenter; carriage; carrier; carry; charabanc; charette; charge; chariot; concourse; concur; concurrent; corral; corridor; corsair; courant; courier; course; currency; current; curriculum; cursive; cursor; cursory; discharge; discourse; encharge; excursion; hussar; incur; intercourse; kraal; miscarry; occur; precursor; recourse; recur; succor.
It is the hypothetical source of/evidence for its existence is provided by: Greek -khouros "running;" Latin currere "to run, move quickly;" Lithuanian karšiu, karšti "go quickly;"Old Irish and Middle Welsh carr "cart, wagon," Breton karr "chariot," Welsh carrog "torrent;" Old Norse horskr "swift."
late 15c. (Caxton), "to be entitled to, be or become deserving of, earn a right or incur a liability," from French meriter (Modern French mériter), from merite (n.), or directly from Latin meritare "to earn, yield," frequentative of merere, mereri "to earn (money);" also "to earn pay as a soldier" (see merit (n.)). Related: Merited; meriting.