Meaning

noun either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the blood

originFrom Middle English lunge, longe, from Old English lungen, from Proto-Germanic *lunganjō, an enlargement of *lungô (“the light organ, lung”), from Proto-Indo-European *h₁lengʷʰ-, whence ultimately also light. Cognate with West Frisian long, Dutch long, German Lunge, Danish, Norwegian Bokmål, and Norwegian Nynorsk lunge, Swedish lunga, Icelandic lunga, and also Russian лёгкое (ljóxkoje) (lung),…

Etymology from Wiktionary, CC BY-SA 3.0