The online dictionaries insist on a hyphen. The AHD entry (http://www.bartleby.com/61/94/T0259400.html) says that it comes from Hindi.

My own association is with Africa. We had an African tomtom when I was a child. Indeed my parents still have it. The zebraskin top is a dead giveaway as to its origin.

Bingley


Bingley