This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The study of causes or origins.

n. The branch of medicine that deals with the causes or origins of disease.

n. Assignment of a cause, an origin, or a reason for something.

n. The cause or origin of a disease or disorder as determined by medical diagnosis.

n. Alternative spelling of aetiology.

n. The science of causes. Same as �tiology.

n. the cause of a disease

n. the philosophical study of causation

"Next to that he had written the word etiology followed by a question mark."

cause    philosophy   

tiology   

Egyptology    Scientology    anesthesiology    anthology    anthropology    apology    archaeology    archeology    astrogeology    astrology   

pathogenesis    diagnosis    epidemiology    nosology    causation    pathology    prevalence    ethyl    entomology    symptomatology