What does the medical root "pneum" denote?

The medical root "pneum" pertains specifically to the lung or air. Its origin comes from the Greek word "pneuma," which means breath or respiratory air. This root is commonly used in medical terminology to describe conditions, diseases, or processes related to the respiratory system. For instance, terms like "pneumonia" refer to lung inflammation typically caused by infections, highlighting the connection between the root and pulmonary health. Understanding this root is crucial for interpreting a variety of medical terms related to respiratory care and interventions.