A kanzu is a white or cream coloured robe worn by men in the African Great Lakes region. It is referred to as a tunic in English, and as the Thawb in Arab countries. The kanzu is an ankle or floor length garmen
As we can see from the wikipedia article, it's also called a kanzu in English ...
Kanzu was a robe in earlier lessons...gown was gauni.
robe is listed as a good definition but not accepted as nice robe