IPA: /ˈkwæs.i.ə/
KK: /kwɑːsiə/
A type of plant that produces a very bitter substance, often used in medicine and as a pesticide.
Quassia is often used in herbal remedies for its bitter properties.
Quassia originates from the name of the plant Quassia amara, named after the Surinamese slave and herbalist Graman Quassi, who discovered its medicinal properties. The term refers specifically to the bitter extract derived from the wood of this plant, used for its medicinal qualities.
Think of Graman Quassi, who found a plant with bitter properties — that's why quassia refers to this bitter extract.