n.
 a persistent feeling of ill will or resentment resulting from a past insult or injury.
v.
  - be resentfully unwilling to grant or allow (something).
 - feel resentful that (someone) has achieved (something):
 I don't grudge him his moment of triumph.
 
 
  Derivative
  
    - grudger n.
  - grudging adj.
  - grudgingly adv.
  - grudgingness n.
 
   
  Etymology
  ME: var. of obs. grutch ‘complain, murmur’, from OFr. grouchier, of unknown origin; cf. grouch.