phlegm
Cross references:
1. equanimity
phlegm \'flem\ \'flem-e-\ n [ME fleume, fr. MF, fr. LL phlegmat-, phlegma,
fr. Gk, flame,] inflammation, phlegm, fr. phlegein to burn - more at BLACK
1: one of the four humors of early physiology supposed to be cold and moist
and to cause sluggishness 2: viscid mucus secreted in abnormal quantity in
the respiratory passages 3a: dull or apathetic coldness or indifference
3b: intrepid coolness or calm fortitude - phlegmy aj
Webster's English Dictionary