Greek hierarchēs combines hieros, holy, with archos, ruler. The noun family travelled through Late Greek, Medieval Latin and French before English.
A Late Greek noun-formation stage connects hierarchēs with the later noun family; the display is a selection of forms, not a claim that Latin borrowed hierarchēs unchanged.
Sources
- Merriam-Webster: hierarchy
Word History gives the route and early English meaning; Did you know explains hieros/archos and the widening from angelic ranks.
- Online Etymology Dictionary: anarchy
Also built on Greek *arkhos* "leader": anarchy (Greek anarkhos "rulerless", from an- "without" + arkhos)
- Anglo-Norman Dictionary · jerarchie
Meanings of the older forms on the word path.
- Online Etymology Dictionary · hierarchy
Meanings of the older forms on the word path.