Origin of ambergrisMiddle English ambregris from Old French ambre gris from ambre (see amber) + gris from Frankish an unverified form gr?s, akin to MHG, OS, Dutch gris, gray
Origin of ambergrisMiddle English from Old French ambre gris ambre amber ; see amber . gris gray ; see grisaille .
Old French ambre gris (“grey amber”). Though the term was initially spaced as two words, single-word forms predominated by the 19th century. In the 17th century, folk etymologies interpreting the term as amber grease or amber [of] Greece enjoyed some popularity.