Pronounced: "gree ZYE" or "griz ZYE"
From the French, a monochromatic (typically shades of grey) painting aimed at creating the look of carved marble.
Pronounced: "ahn ka mah YUR"
Also from the French, when a painting is in just two tones of color and not trying to imitate marble, it is called "en camaieu".
Compare these 18th Century Italian grisaille panels with the 16th century Italian en camaieu panel below them:
List price: $105,000 USD
List price for a pair: $324,000 USD