Proper noun
Shakyamuni
Alternative form of Sakyamuni
He is credited with having sent a mission in 538 to Japan that brought an image of Shakyamuni and several sutras to the Japanese court. Source: Internet
This is unique, since most Mahayana Sutras are usually ascribed to Gautama Buddha and the teachings, deeds or vows of the bodhisattvas are described by Shakyamuni Buddha. Source: Internet