Once Shaka reached nirvana, in order to transmit his teachings correctly his disciples held a meeting to edit Buddhist sutras (Ketuju, 結集) and began to classify them.
釈迦の入滅後、教えを正しく伝えるために、弟子たちは経典編集の集会（結集（けつじゅう））を開き、経典整理を開始した。