exogenesis--prophetes.ai

exogenesis Med.
  (ɛksəʊˈdʒɛnɪsɪs)
  [mod.L., f. Gr. ἔξω exo- + γένεσις genesis.]
  Origin (of a disease) from external causes.

1903 Jrnl. Trop. Med. VI. 227, I am satisfied that the exogensis of cancer is clinically and logically proved.

Oxford English Dictionary