- a combining form meaning “sacred,” “priestly,” used in the formation of compound words: hierocracy.
Also especially before a vowel, hier-.
Origin of hiero-
< Greek hieró(s) holy, sacred
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
before a vowel hier-
- holy or divinehierocracy; hierarchy
from Greek, from hieros