In the case of Siddhartha Gautama, a patronymic form of GOTAMA. Siddhartha Gautama, also known as Buddha, the founder of Buddhism, was a 6th-century BC nobleman who left his family in order to lead a life of meditation and poverty.
Means "the best ox" from Sanskritगो (go) meaning "ox, cow" and तम (tama) meaning "best". In Hindu texts this is the name of one of the Saptarshis, or seven sages. This name was also born by an early Indian philosopher who wrote the Nyaya Sutras.