Epiphaenomenon

For, from my most careful observation, such as it is, I have concluded, that a purely sympathetic disease of any part, has no accedent symptoms, no Epiphaenomena, no Epigenomena;

Source: wiktionary

Indeed, the fundamental difference between the Latin and Orthodox churches must be looked for not in the minds of the theologians, but in the hearts of the people; the theological explanations of it are epiphaenomena rather than causes.[…]In fact, the epiphaenomena may be damped quickly or they may last for months and even years.

Source: wiktionary

One thing that is taken for granted by almost all contemporary ‘theorists’ of secularization is that religion is an epiphaenomenon.

Source: wiktionary

But, to tell the truth, Russian imperialism has only played, so to speak, the part of an epiphaenomenon in this affair.

Source: wiktionary