From these are deduced the four Upavédas, namely, Ayush, Gándharva, Dhanush, and St'hápatya; the first of which, or Ayurvéda, was delivered to mankind by Brahma', Indra, Dhanwantari, and five other Deities ; and comprizes the theory of Disorders and Medicines, with the practical methods of curing Diseases.
1788, Asiatic Society of Bengal, chapter XVIII, in Asiatic researches or transactions of the Society instituted in Bengal, for inquiring into the history and antiquities, the arts, sciences, and literature, of Asia, volume 1, Calcutta, India: Manuel Cantopher, page 340