1481, from M.Fr.
ambre gris "gray amber" (see
amber), "a wax-like substance of ashy colour, found floating in tropical seas, and as a morbid secretion in the intestines of the sperm-whale. Used in perfumery, and formerly in cookery." [OED] King Charles II's favorite dish was said to be eggs and ambergris [Macauley, "History of England"]. Fr.
gris is from Frank.
*gris (cf. Du.
grijs, O.H.G.
gris; see
gray).
"Praise is like ambergris; a little whiff of it, by snatches, is very agreeable; but when a man holds a whole lump of it to his nose, it is a stink and strikes you down." [Pope, c.1720]