Definition of "assafoetida"

The smell, too, is often perverted—Parosmia. The author was formerly acquainted with a lady, who scented her snuff with the tincture of assafœtida.

1842, Robley Dunglison, “Of the Neuroses”, in The Practice of Medicine; or, A Treatise on Special Pathology and Therapeutics. […], volume II, Philadelphia, Pa.: Lea and Blanchard, book VI (Diseases of the Nervous System), page 280