hieratic (adj.) Look up hieratic at Dictionary.com
"pertaining to sacred things," 1660s, from Latin hieraticus, from Greek hieratikos "pertaining to a priest or his office, priestly, devoted to sacred purposes," from hierateia "priesthood," from hiereus "priest," from hieros "sacred, holy, hallowed; superhuman, mighty; divine" (see ire). Related: Hieratical (1650s).