etiology

ee-tee-OL-uh-jee /ˌiː.tiˈɒl.ə.dʒi/
nounC2GREMCAT
medicalacademicscientific

The cause, set of causes, or manner of causation of a disease or psychological condition.

Focuses specifically on the underlying origins and causal factors behind a health issue rather than its ongoing symptoms.

The story behind the word. In ancient Greek philosophy, 'aitiologia' was the study or giving of reasons for things. Medical science adopted it to denote the investigation into what causes sickness.

Word relationships

  • causation: General physical or logical relationship between cause and effect.
  • origin: Where something begins, without necessarily implying medical research.
  • consequence: A result or effect of an action or condition.
  • manifestation: The outward sign or symptom of an underlying disease.

Commonly confused with

  • pathology: Etiology investigates the causes of disease, whereas pathology examines the disease process itself.

Word family

  • etiological (adjective): Relating to the cause or origin of a disease.
  • etiologically (adverb): In terms of causation or origin.

Collocations

  • unknown etiology
  • multifactorial etiology
  • underlying etiology
  • etiology of disease

Example sentences

  • "The etiology of major depressive disorder involves a complex interplay of genetic factors and environmental stressors." Psychiatric Research
  • "Determining the exact etiology of sudden memory loss requires detailed neuroimaging and metabolic screening." Neurological Study

Memory hook

ETI- sounds like 'eating'. What caused your stomachache? The ETIology is eating bad food! Study of the original cause.

When not to use

Do not use when discussing simple mechanical or non-medical causes, such as why a glass broke.

Fun facts

  • Idiopathic is a medical term used when the etiology of a disease cannot be identified despite testing.

Related words

pathology, diagnosis

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