An Etymological Dictionary of the German Language/Annotated/Krampe
Krampe, feminine, ‘staple, cramp,’ from Low German, since we should have expected pf in High German; compare Dutch kram for kramp, ‘hook, clamp,’ English cramp, also cramp-irons; Old High German chrampf, ‘hook.’ From the Teutonic cognates, which are based on the adjective *krampa-, discussed under Krampf, French crampon, ‘cramp,’ is derived; see the next word.