ca·tarrh
noun/kəˈtɑː(r)/
/kəˈtɑːr/
[uncountable]- thick liquid (called phlegm) that you have in your nose and throat because, for example, you have a cold
卡他；黏膜炎 Word Originearly 16th cent.: from French catarrhe, from late Latin catarrhus, from Greek katarrhous, from katarrhein ‘flow down’, from kata- ‘down’ + rhein ‘flow’.