Topic: HUMAN
| Date: | 1300-1400 |
| Language: | Old French |
| Origin: | fleume, from Latin phlegma, from Greek, 'flame, phlegm', from phlegein 'to burn' |
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phlegm
[uncountable]
[uncountable]1HBH the thick yellowish substance produced in your nose and throat, especially when you have a cold [= mucus]
2 unusual calmness in worrying, frightening, or exciting situations

