ʿōref עֹ֫רֶף ‘neck’ (Hebrew)

Etymology^?: from ʿāraf עָרַף ‘to break the neck’
Roots: ערף

ʿōref n, m
1) neck, back of the neck, back
 1a) back of the neck
  1a1) of fleeing foe
  1a2) of apostasy (fig.)
 1b) stiff of neck, obstinate (fig.)