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.
A secret ceremony is held at that temple once a year.
古代の秘儀に関する文献は限られている。
Documents concerning ancient secret rituals are limited.
Compound of 秘 (secret) and 儀 (ceremony). The exact historical derivation is uncertain, but the kanji combination directly conveys the meaning of a hidden or esoteric ritual.