sgraffito
/sgræˈfiːtəʊ/noun
(pl.sgraffiti/-tɪ/)［mass noun］
- a form of decoration made by scratching through a surface to reveal a lower layer of a contrasting colour, typically done in plaster or stucco on walls, or in slip on ceramics before firing（壁画、陶瓷等的）五彩拉毛粉饰（法）。
词源
mid 18th cent.: Italian, literally 'scratched away', past participle of sgraffiare.