[ˌiːtɪˈɒlədʒi], (Noun)

Definitions:
- the cause, set of causes, or manner of causation of a disease or condition
(e.g: the importance of sunlight in the aetiology of melanoma)

- the investigation or attribution of the cause or reason for something, often expressed in terms of historical or mythical explanation


Phrases:

Origin:
mid 16th century: via medieval Latin from Greek aitiologia, from aitia ‘a cause’ + -logia (see -logy)