khus·khus \ˈkəskəs\noun orkhuskhus grassalsokhus\ˈkəs\; orkus·kusorcus·cus\ˈkəskəs\ (-es) Etymology: Persian & Hindi khaskhas : an aromatic grass (Andropogon zizamoides) whose especially fragrant roots yield an oil used in perfumery and are also made into mats in tropical India — called also vetiver