Aetiology
Pronunciation : ?`ti*ol"o*gy
Part of Speech : n.
Etymology : [L. aetologia, Gr. ?tiologie.]
Definition : 1. The science, doctrine, or demonstration of causes; esp., the investigation of the causes of any disease; the science of the origin and development of things.
2. The assignment of a cause.
Source : Webster's Unabridged Dictionary, 1913