Vade

from The Collaborative International Dictionary of English v.0.48

Vade \Vade\ (v[=a]d), v. i. [For fade.]
   To fade; hence, to vanish. [Obs.] " Summer leaves all vaded."
   --Shak.
   [1913 Webster]

         They into dust shall vade.               --Spenser.
   [1913 Webster]