impasto (n.)youdaoicibaDictYouDict[impasto 词源字典]
laying on of colors thickly," 1784, from Italian impasto, noun of action from impastare "to raise paste; to put in paste," from assimilated form of in- "into, in" (see in- (2)) + pasta "paste" (see pasta).[impasto etymology, impasto origin, 英语词源]