hieromnemon

from The Century Dictionary.

• noun In Greek antiquity: A sacred recorder; a deputy of the more honorable class sent by an amphictyonic state to the Delphic Amphictyonic Council. The title of a class of priests in several Greek states, as Megara, Thasos, etc. In certain states, as Byzantium, the hieromnemon was one of the chief magistrates.
• noun In the Gr. Ch., one of the officials of the patriarchal see of Constantinople.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Gr. Antiq.) The sacred secretary or recorder sent by each state belonging to the Amphictyonic Council, along with the deputy or minister.
• noun A magistrate who had charge of religious matters, as at Byzantium.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun historical, Ancient Greece The sacred secretary or recorder sent by each state belonging to the Amphictyonic Council, along with the deputy or minister.
• noun historical A magistrate who had charge of religious matters, as at Byzantium.