Expectorant (noun)

A medicine that helps to clear mucus from the lungs and throat.

Origin:

Expectorant is derived from the latin word expectorare, which means to "cough up" or "discharge from the lungs".

Examples:

1. An expectorant can help to relieve chest congestion.
2. The expectorant helped to clear the mucus from his lungs.
3. The patient was prescribed an expectorant to help with his chronic bronchitis.
4. Expectorants are commonly used to treat coughs and colds.
5. Some common expectorants include guaifenesin and menthol.