crimp (v.) Look up crimp at
1630s; Old English had gecrympan "to crimp, curl," but the modern word probably is from Middle Dutch or Low German crimpen/krimpen "to shrink, crimp." Related: Crimped; crimping.
crimp (n.) Look up crimp at
1863, from crimp (v.). Originally "natural curl in wool fiber." To put a crimp in (something) is 1896, U.S. slang.