Answer: phlegm

AnswerCrossword Clue
PHLEGMDull indifference
PHLEGMLump in one's throat?
PHLEGMEquanimity.
PHLEGMOne of the four humors
PHLEGMPhysiological humor of old
PHLEGMSpeaking block
PHLEGMThroat stuff
PHLEGMSmoker's excess
PHLEGMSluggishness
PHLEGMCough it up!
phlegmthick mucus in the respiratory passages
phlegma thick mucus secreted in the air passages