English
pathogenesis
From patho- + -genesis.
Formed from patho + genesis
Proto-Indo-European *ǵenh₁- ‘to produce’
Proto-Indo-European *ǵénh₁tis ‘birth, production’
Proto-Hellenic *génetis ‘origin, source’
Ancient Greek γένεσις ‘origin, source, beginning’
Latin genesis ‘generation, nativity’
English genesis
Today it means
noun The origin and development of a disease.
Language periods are conventional ranges, not dates for this word.
Etymograph / pathogenesis