noun
primitive religion
Refers to early, non-institutionalized religious beliefs often associated with animism, shamanism, or ancestor worship. Used in academic or comparative religion contexts.
自然宗教の研究は、人類学の重要な分野です。
The study of primitive religion is an important field of anthropology.
noun
natural religion
A philosophical or theological concept referring to religion based on reason and the natural world, as opposed to revealed religion. Often contrasted with 啓示宗教 (revealed religion).
啓蒙時代には、自然宗教が理性的な信仰の基盤と見なされました。
During the Enlightenment, natural religion was regarded as the foundation of rational faith.