Word Study
eparchy
CIDE DICTIONARY
eparchy, n. [Gr. the post or office of an .].
A province, prefecture, or territory, under the jurisdiction of an eparch or governor; esp., in modern Greece, one of the larger subdivisions of a monarchy or province of the kingdom; in Russia, a diocese or archdiocese. [1913 Webster]
OXFORD DICTIONARY
eparchy, n. (pl. -ies) a province of the Orthodox Church.
Etymology
Gk eparkhia (as EPARCH)
For further exploring for "eparchy" in Webster Dictionary Online