1) Buddhist terminology 
Ekayāna is a Sanskrit word that can mean `one path` or `one vehicle`. It is used both in the Upanishads and in the Buddhist scriptures, taking on different meanings and notions. ==Upanishads== In the Brihadaranyaka Upanishad, the word Ekayāna took on special significance as a metaphor for a spiritual journey. Notably, in that text the phrase...