ec·o·nom·i·cal (ĕk′ə-nŏmĭ-kəl, ē′kə-)
1. Designed or functioning to make effective use of money or effort invested: an economical heating system; an economical approach to control of corporate growth.
2. Prudent and thrifty in management; not wasteful or extravagant. See Synonyms at sparing.
3. Sparing in the amount of items involved to achieve a desired result: an economical writing style; threw an economical 12 pitches in the first inning.
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.