aetiological

noun, plural ae·ti·ol·o·gies.

1. etiology.

adjective

1. of or relating to aetiology
2. philosophy (of an explanation) in terms of causal precedents, as opposed, for instance, to the intentions of an agent

noun plural -gies

1. the philosophy or study of causation
2. the study of the causes of diseases
3. the cause of a disease