par·tic·u·lar·ism (pər-tĭkyə-lə-rĭz′əm, pə-tĭk-)
1. Exclusive adherence to, dedication to, or interest in one's own group, party, sect, or nation.
2. A principle of allowing each state in a nation or federation to act independently of the central authority, especially in promoting its own economic interests.
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.