ec·o·nom·ics (ĕk′ə-nŏmĭks, ē′kə-)
1. (used with a sing. verb) The social science that deals with the production, distribution, and consumption of goods and services and with the theory and management of economies or economic systems.
2. (used with a sing. or pl. verb) Economic matters, especially relevant financial considerations: "Economics are slowly killing the family farm" (Christian Science Monitor).
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 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.