mysterious presence; aura of mystery
Refers to an intangible, often spiritual or supernatural atmosphere or presence felt in a place or around a person. Can be used in literary, occult, or everyday descriptive contexts.
A unique mysterious atmosphere hangs over the old shrine.
I feel something like a mysterious presence around her.
Compound of 霊 (rei, 'spirit, soul') and 気 (ki, 'spirit, mood, atmosphere'). The combination suggests a spiritual or ghostly atmosphere. The exact historical origin is uncertain, but the word follows a common Sino-Japanese pattern for abstract concepts.