The Collaborative International Dictionary of English v.0.48:

Depaint \De*paint"\, v. t. [imp. & p. p. Depainted; p. pr. &
   vb. n. Depainting.]
   1. To paint; to picture; hence, to describe; to delineate in
      words; to depict. [Obs.]
      [1913 Webster]

            And do unwilling worship to the saint
            That on his shield depainted he did see. --Spenser.
      [1913 Webster]

            In few words shall see the nature of many memorable
            persons . . . depainted.              --Holland.
      [1913 Webster]

   2. To mark with, or as with, color; to color.
      [1913 Webster]

            Silver drops her vermeil cheeks depaint. --Fairfax.
      [1913 Webster]