- grisaille (n.)
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[grisaille 词源字典] - painting technique using gray tints, 1848, from French grisaille (17c.), from gris "gray" (12c.), which is from Frankish *gris or some other Germanic source (cognates: Dutch grijs, Old High German gris; see gray (adj.)).[grisaille etymology, grisaille origin, 英语词源]