also: いこう
noun
exquisite fragrance; unusual scent
Rare literary term for a remarkable, often otherworldly or exceptionally fine fragrance. Not used in everyday conversation.
その花からは異香が漂っていた。
An exquisite fragrance wafted from the flower.
芳香 is a more common word for a pleasant fragrance, while 異香 emphasizes an unusual or extraordinary quality.
Composed of 異 (unusual, different) and 香 (fragrance). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning 'unusual fragrance'.