The coughing up or spitting of mucus from the respiratory tract.
From Greek 'blenna' (mucus) + 'ptysis' (spitting or coughing up). 'Ptysis' appears in hemoptysis (coughing up blood) and other respiratory medical terms.
This word is basically the medical term for what your body does naturally when you have a cold—breaking it into Greek roots shows how doctors rename everyday body functions to sound more scientific!
Complete word intelligence in one call. Free tier — 50 lookups/day.