The Collaborative International Dictionary of English v.0.48:

Way-going \Way"-go`ing\, a.
   Going away; departing; of or pertaining to one who goes away.
   [1913 Webster]

   Way-going crop (Law of Leases), a crop of grain to which
      tenants for years are sometimes entitled by custom; grain
      sown in the fall to be reaped at the next harvest; a crop
      which will not ripen until after the termination of the
      lease. --Burrill.
      [1913 Webster]