n. Greatness; extent. [ Obs. or Colloq. ] [ 1913 Webster ]
The quantity and muchness of time which it filcheth. W. Whately. [ 1913 Webster ]
Much of a muchness, much the same. [ Colloq. ] “Men's men; gentle or simple, they're much of a muchness.” G. Eliot. [ 1913 Webster ]