ʿādaf עָדַף ‘to remain’ (Hebrew)

Etymology^?: a primitive root

ʿādaf v
1) to remain over, be in excess
 1a) (Qal)
  1a1) to be in excess
1a1a) excess (subst)
1a1b) surplus (participle)
 1b) (Hiphil) to have a surplus