measles
/ˈmiːzlz/plural noun
(常作the measles)［treated as sing.］
1- an infectious viral disease causing fever and a red rash on the skin, typically occurring in childhood麻疹。
1.1
- a disease of pigs and other animals caused by the encysted larvae of the human tapeworm（家畜）囊尾蚴病。
词源
Middle English maseles, probably from Middle Dutch masel 'pustule' （compare with modern Dutch mazelen 'measles'）. The spelling change was due to association with Middle English mesel 'leprous, leprosy'.