hierarkhía
Hierarkhía, or hierarchy, is a system in which elements are arranged in a ranked order according to levels of authority, importance, or complexity. The term comes from Greek hieros “sacred” and archē “rule,” signaling originally the ordering of sacred roles but later extending to broader structures of power and organization. In Greek and early Christian usage, hierarkhía referred to the priestly order within a religious community and the corresponding authority structures.
Historically, hierarchies have appeared in many domains. In ancient religious and political life, hierarchies organized priests,
In broader use, hierarchy denotes any nested or graded system where elements are placed in successive levels.
Notes on usage: the term is widely used across disciplines and languages, with variations such as hierarchia