ancient sacred Hindu book, 1734, from Sanskrit veda, literally "knowledge, understanding," especially "sacred knowledge," from root vid- "to know" (from PIE root *weid- "to see"). The books are the Rig-, Yajur-, Sama-, and Atharva-veda.

"pertaining to traditional Hindu science of medicine," 1917, from Sanskrit Ayurveda "science of life," from ayur "life" (from PIE *oyus-, suffixed form of *oyu- "life everlasting," from variant form of root *aiw- "vital force, life; long life, eternity") + veda "knowledge" (see Veda).