noun
mantra of the fire realm; mantra of Acala
In esoteric Buddhism (密教), a mantra associated with Acala (不動明王) used to burn away worldly desires and spiritual obstacles. Highly domain-specific; not used in everyday language.
密教の儀式では、火界咒を唱えて煩悩を焼き尽くすとされる。
In esoteric Buddhist rituals, the mantra of the fire realm is chanted to burn away worldly desires.
Esoteric Buddhism, the broader tradition in which this mantra is used.
From 火界 (fire realm) + 咒 (mantra/spell). The exact historical derivation is uncertain, but the term is a technical compound used in esoteric Buddhist texts.