1. A bishop in the Eastern Orthodox Church ranking immediately below a patriarch.
2. The ruler of a province in the Byzantine Empire.
[Late Latin exarchus, an overseer, from Greek exarkhos, from exarkhein, to lead : ex-, ex- + arkhein, to rule.]
exar′chate (ĕksär′kāt), exar′chy (-kē) n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.