intr.v. pre·pon·der·at·ed, pre·pon·der·at·ing, pre·pon·der·ates
1. To be greater than something else, as in power, force, quantity, or importance; predominate: “In balancing his faults with his perfections, the latter seemed rather to preponderate” (Henry Fielding).
2. Archaic To exceed something else in weight.
[Latin praeponderāre, praeponderāt-, to outweigh, preponderate : prae-, pre- + ponderāre, to weigh; see (s)pen- in the Appendix of Indo-European roots.]
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.