Origin: 1350–1400; < Latincalcāre to trample, tread on (verbal derivative of calx heel), conflated with Middle Englishcauken < Old Frenchcauquer to trample < Latin, as above
late 14c., from O.N.Fr. cauquer, from L.L. calicare "to stop up chinks with lime," from L. calx (2) "lime, limestone" (see chalk). Original sense is nautical, of making ships watertight.