飛ひ行ぎょうの三さん鈷こ

expression, noun

three-pronged vajra thrown by Kūkai to determine the site for Esoteric Buddhism's holy land

A specific Buddhist term referring to the ritual object Kūkai (Kōbō Daishi) is said to have thrown upon his return from China; it landed at Mount Kōya, marking the location for his monastery.

• 空くう海かいが唐とうから帰き国こくする際さい、飛ひ行ぎょうの三さん鈷こを投なげたと伝つたえられている。

  It is said that when Kūkai returned from Tang China, he threw the flying three-pronged vajra.

• 飛ひ行ぎょうの三さん鈷こは高こう野や山さんに落おちたとされ、そこが真しん言ごん密みっ教きょうの聖せい地ちとなった。

  The flying three-pronged vajra is said to have landed on Mount Kōya, which then became the holy land of Shingon Esoteric Buddhism.