etiology
noun /ˌiːtiˈɒlədʒi/
/ˌiːtiˈɑːlədʒi/
(North American English) (British English aetiology)
(plural etiologies)
(medical- [uncountable, countable] the cause of a disease or medical condition
病因学;病理学 - [uncountable] the scientific study of the causes of disease
病因学;病理学