morning glory seeds (medicinal use)
Refers specifically to the seeds of the morning glory (朝顔) used in traditional medicine, often as a laxative or diuretic. Not a common everyday word; mainly encountered in herbal or pharmacological contexts.
See also: 朝顔
Morning glory seeds are sometimes used as a laxative in traditional Chinese medicine.
From Chinese 牽牛子 (qiānniúzǐ), literally 'lead-ox child', a name for morning glory seeds used in traditional medicine. The Japanese reading けんごし is the on'yomi of the characters.