1. A city of northwest France on an inlet of the Atlantic Ocean. Its large sheltered harbor was built in 1631 by Cardinal Richelieu as a naval base.
2. Formerly Brest-Li·tovsk (-lĭ-tôfsk) A city of southwest Belarus on the Bug River near the Polish border. It was the site (1596) of a synod of Eastern Orthodox church leaders who broke with Constantinople and entered into communion with the Roman Catholic Church, thereby establishing the Eastern Catholic churches. The Treaty of Brest-Litovsk, a separate peace treaty between Russia and the German coalition in World War I, was signed here on March 3, 1918.
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.