1) Attribute 2) Conception 3) Formal content of a culture 
eidos (s), eide (pl) 1. In philosophy, form; species. 2. Idea; used by Plato. 3. The formal content of a culture, encompassing its system of ideas; criteria for interpreting experience, etc.
noun (anthropology) the distinctive expression of the cognitive or intellectual character of a culture or a social group
the formal content of a culture, encompassing its system of ideas, criteria for interpreting experience, etc.