the leaf of an Asian evergreen climbing plant, used in the East as a mild stimulant. Parings of areca nut, lime, and cinnamon are wrapped in the leaf, which is then chewed, causing the saliva to go red and, with prolonged use, the teeth to go black 蒌叶。 亦称 Paan
the plant, related to pepper, from which these leaves are taken 蒌树
Piper betle, family Piperaceae 拉丁名Piper betle,胡椒科
语源
mid 16th cent.: via Portuguese from Malayalam veṟṟila