What does "pneumonia" mean?

Inflammation of the lungs caused by viruses, bacteria or other infectious microorganisms.

Pneumonia

Common synonyms include: acute articular rheumatism, acute bronchitis, adenoiditis, african lethargy, ague, alkali disease.

/njuˈməʊniə/ noun

noun ·Common ·High school level

Noun

1
Inflammation of the lungs caused by viruses, bacteria or other infectious microorganisms. uncountable, usually
"He had always been remarkably immune from such little ailments, and had only once in his life been ill, of a vicious pneumonia long ago at school."
2
respiratory disease characterized by inflammation of the lung parenchyma (excluding the bronchi) with congestion caused by viruses or bacteria or irritants wordnet

"An operation on his throat helped him recover from the pneumonia, but it left him without his voice."

From Ancient Greek πνευμονία (pneumonía, “lung disease”), from πνεύμων (pneúmōn, “lung”) + -ία (-ía).