lung
The origin and history of lung.
Etymology
From Old English lungen, related to an ancient root meaning "light" — lungs were named for how light they are (they float, being full of air), the same root that gives us the word "light."
The origin and history of lung.
From Old English lungen, related to an ancient root meaning "light" — lungs were named for how light they are (they float, being full of air), the same root that gives us the word "light."