Source : Webster's Revised Unabridged Dictionary (1913)

Repaint \Re*paint"\ (r?-p?nt"), v. t.
   To paint anew or again; as, to repaint a house; to repaint
   the ground of a picture.

Source : WordNet®

repaint
     v 1: paint again; "He repainted the same scenery many times
          during his life"
     2: paint again or anew; "We had to repaint the gutters with
        linseed oil"
     3: paint again; "He repainted the wall after the child smeared
        it with tomato sauce"