Merriam-Webster Dictionary:
noun
Etymology: French & Spanish; French jalap, from Spanish jalapa, from Jalapa, Mexico
Date: 1644
1 a: the dried tuberous root of a Mexican plant (Ipomoea purga syn. Exogonium purga) of the morning-glory family; also : a powdered purgative drug prepared from it that contains resinous glycosides b: the root or derived drug of plants related to the one supplying jalap
2: a plant yielding jalap
"A mild cathartic." Usage note on antimonial.
Merriam-Webster Dictionary:
noun
Etymology: French & Spanish; French jalap, from Spanish jalapa, from Jalapa, Mexico
Date: 1644
1 a: the dried tuberous root of a Mexican plant (Ipomoea purga syn. Exogonium purga) of the morning-glory family; also : a powdered purgative drug prepared from it that contains resinous glycosides b: the root or derived drug of plants related to the one supplying jalap
2: a plant yielding jalap