Literally meaning: “disease development”
Origin: Anc Greek
παθο-/patho-(=prefix denoting “suffering”) > πάθος / pathos(=passion, sorrow, strong emotion)
+γένεσις/genesis(=birth, creation, production) > γεννώ/geno (=”give birth to”, “produce of”)
Pathogenesis is the origin and development of a disease or morbid condition.