Khaki
Khaki (ka"ke) , adjective
[Hind. khākī, lit., dusty, dust-colored, from Per. khāk dust.]
In the United States service the summer uniform of cotton is officially designated khaki; the winter uniform of wool, olive drab.
Of a dull brownish yellow, or drab color; -- applied to cloth, originally to a stout brownish cotton cloth, used in making uniforms in the Anglo-Indian army.
Khaki , noun
Any kind of khaki cloth; hence, a uniform of khaki or, rarely, a soldier clad in khaki. In the United States and British armies khaki or cloth of a very similar color is almost exclusively used for service in the field.