cupping 的词源

1510年代，指通过拔罐玻璃进行的“抽血外科手术”，是由动词 cup 转化而来的名词。

There are two modes of cupping: one in which the part is scarified and some blood taken away to relieve congestion or inflammation of internal parts, called wet cupping, or more generally simply cupping; and a second, termed dry cupping, in which there is no scarification no blood is abstracted. [Century Dictionary, 1897]

拔罐有两种方式：一种是先在皮肤上划痕，然后抽取一些血液，以减轻内脏的充血或炎症，这种方法称为 wet cupping（湿拔罐），或更一般地称为 cupping（拔罐）；另一种则是 dry cupping（干拔罐），这种方法不划痕，也不抽血。[世纪词典，1897年]