This meaning is often used to denote something of immense value, not just in a physical sense but also spiritually or intellectually. It's frequently used in religious or philosophical contexts, especially pertaining to Buddhism.

This usage refers to a specific historical period in Japan, often utilized in historical texts to mark events or developments that occurred during this time. It is important in the context of Japanese history and chronicles.

This meaning emphasizes the spiritual and transcendent value of certain beings or teachings in Buddhism, comparing them to a great treasure that brings profound wisdom or enlightenment.

This refers to a specific religious ritual or structure in Buddhist practices, usually involving fire offerings, which are seen as sacred and integral in certain ceremonies.