ae·ti·ol·o·gy
noun/ˌiːtiˈɒlədʒi/
/ˌiːtiˈɑːlədʒi/
(British English) (North American English etiology)
(plural aetiologies)
(medical)- [uncountable, countable] the cause of a disease or medical condition
病原;病因 - [uncountable] the scientific study of the causes of disease
病原学;病因学(说)
Word Originmid 16th cent.: via medieval Latin from Greek aitiologia, from aitia ‘a cause’ + -logia (see -ology).