¡€ Tibetan v ¡€ d ¡€ e Siddhš¡rtha Gautama ( Sanskrit : सिद्धार्थ गौतम ; Pali : Siddhattha Gotama ) was a spiritual teacher from ancient India on whose teachings Buddhism was founded. [ 1 ] In most Buddhist traditions, he is regarded as the Supreme Buddha (P. sammš¡sambuddha , S. samyaksaṃbuddha