病原学

病原學
bìngyuánxué

aetiology (study of the causes of disease)

Wiktionary

Entry Composition

1 病原 bìngyuán
  1. cause of disease
  2. pathogen
2 学 xué
  1. to learn
  2. to study
  3. to imitate
  4. science
  5. -ology