仏陀の最も著名な弟子の一人で、仏陀が簡潔に述べたことを詳しく説くことにおいて第一と称され、ウッジェニーで王室祭官の息子として生まれ、後にアヴァンティ全域に仏教を確立したことで名高い。

One of the Buddha’s most eminent disciples, declared foremost in expounding at length what the Buddha had stated in brief, born at Ujjenī as son of a royal chaplain and later renowned for establishing the Buddhist teaching throughout Avanti.