mahogany

Concise Oxford English Dictionary © 2008 Oxford University Press:
mahogany /məˈhɒgəni/

▶noun

• 1 hard reddish-brown wood from a tropical tree, used for furniture.

• 2 the tree which produces mahogany. [Swietenia mahagoni (tropical America) and other species.]

• 3 a rich reddish-brown colour.

– origin C17: of unknown origin.