1684 in J. Lauder (1759) I. 258 Thir files with the oil and aqua-fortis will cut thro' a goad of iron in a short time, without much risping or noise.
1685 G. Sinclair xxxii. 201 He heard a loud risping at her heart, such as risping Irons make upon Wood or Timber.
1922 H. Williamson 220 The leaf made a faint risping as it spun and shook.