psittacosisyoudaoicibaDictYouDict[psittacosis 词源字典]
"A contagious disease of birds, caused by chlamydiae and transmissible (especially from parrots) to human beings as a form of pneumonia", Late 19th century: from Latin psittacus 'parrot' + -osis.[psittacosis etymology, psittacosis origin, 英语词源]