And he claimed that autumn festivals, winter festivals and spring festivals were originally a series of festivals (harvest, renewal of souls and prayer for a good crop), and then autumn festivals and spring festivals were separated, and the rest became winter festivals.
秋祭り・冬祭り・春祭りは元々一続きの祭り（収穫・魂の更新・祈年）であったのが、秋祭りと春祭りが分離して残りが冬祭りとなったと説く。