The geographic and political units formerly under British control, including dominions, colonies, dependencies, trust territories, and protectorates. At the height of its power in the late 19th and early 20th centuries, the empire comprised about one quarter of the world's land area and population and encompassed territories on every continent, including the British Isles, British North America, British West Indies, British Guiana, British West Africa, British East Africa, India, Australia, and New Zealand.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. 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.