noun
polychromy
Art and architecture term for the practice of decorating with many colors, especially in sculpture, ceramics, or buildings.
古代ギリシャの彫刻にはポリクロミーが施されていた。
Ancient Greek sculptures were decorated with polychromy.
A native Japanese term for coloring or painting, broader than polychromy and not limited to art historical contexts.
Borrowed from English 'polychromy', ultimately from Greek roots meaning 'many colors'.