秘ひ儀ぎ

noun

secret ceremony; ritual; sanctum sanctorum

Refers to a hidden or esoteric ritual, often with religious or mystical connotations. Can also denote a sacred inner sanctuary.

• その寺じ院いんでは年ねんに一いち度ど、秘ひ儀ぎが執とり行おこなわれる。

  A secret ceremony is held at that temple once a year.

• 古こ代だいの秘ひ儀ぎに関かんする文ぶん献けんは限かぎられている。

  Documents concerning ancient secret rituals are limited.