What is the fragrant roots of the Saussurea Costus, exported from India to China, and used for burning as incense. It is supposed to be the costus of the ancients. [Written also putchuck.] called?

pachak — The fragrant roots of the Saussurea Costus, exported from India to China, and used for burning as incense. It is supposed to be the costus of the ancients. [Written also putchuck.]. (Webster's 1913.)

Sources