inlay
verb
• ornament (an object) by embedding pieces of a different material in it, flush with its surface.
• "mahogany panelling inlaid with rosewood"
inlay
noun
• a design, pattern, or piece of material inlaid in something.
• "ivory inlays that decorated wooden furnishings"
• a filling shaped to fit a tooth cavity.
• a printed card or paper insert supplied with a CD, video, etc.
Origin:
mid 16th century (in the sense ‘lay something in a place in order to hide or preserve it’): from in-2 ‘into’ + lay1.