catarrh的词源

英文词源

catarrh: catarrh: [16] Etymologically, catarrh is ‘something that flows down’. It comes via French catarrhe and late Latin catarrhus from Greek katárrhous, a derivative of the verb katarrhein, a compound formed from the prefix katá- ‘down’ (as in cataract) and the verb rhein ‘flow’ (a relative of English rheumatism and stream).
=> diarrhoea, rheumatism, stream
catarrh (n.): late 14c., from Medieval Latin catarrus, from Late Latin catarrhus, from Greek katarrhous "a catarrh, a head cold," literally "a flowing down," earlier kata rrhoos, ultimately from kata- "down" (see cata-) + rhein "to flow" (see rheum). Related: Catarrhalcatarrhous.

cata-, 向下。-rrh, 流，流淌，词源同diarrhea, rhythm.

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