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Terton is the English spelling of the Tibetan title གཏེར་སྟོན gter ston ter-tön, meaning “treasure revealer.” In the Nyingma tradition of Tibetan Buddhism, a terton is a master believed to discover terma—sacred teachings or objects concealed for later revelation. A treasure may be found in a physical place, such as a cave or lake, or revealed within the terton’s mind.

Traditionally, many terma are associated with Padmasambhava and Yeshe Tsogyal, who are said to have hidden teachings so they could be revealed when they would benefit future generations. Tertons uncover and transmit these teachings, renewing spiritual lineages and practices.