con·sti·tu·tion·al·ism (kŏn′stĭ-tshə-nə-lĭz′əm, -ty-)
1. Government in which power is distributed and limited by a system of laws that the rulers must obey.
a. A constitutional system of government.
b. Advocacy of such a system.
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.