Brown Driver Briggs

 adv
1. exceedingly, much
subst
2. might, force, abundance
n m
3. muchness, force, abundance, exceedingly
  1) force, might
  2) exceedingly, greatly, very (idioms showing magnitude or degree)
3b1. exceedingly
3b2. up to abundance, to a great degree, exceedingly
3b3. with muchness, muchness