polychrome >> /ˈpɑliˌkroʊm/
Definition: [transitive verb] Execute or decorate (a work of art) in several colors.
Example: painters gilded and polychromed the wooden carvings
Definition: [noun] Varied coloring.
Example: Modigliani continued to carve his large heads, sometimes in polychrome, until 1916
Definition: [adjective] Painted, printed, or decorated in several colors.
Example: a precious polychrome ikon