According to one view, it originated from the fact that Hashinoku-o (King Pasenadi) of Sravasti, who became a follower of Shakyamuni, mistakenly worshipped Brahmanism by mistaking a disciple of the Brahmanism for that of the Buddha.
一説には、釈迦に帰依した舎衛国の波斯匿王が仏弟子とバラモン教を見まちがえて礼拝したとされる。