The state, quality, sense, or fact of being near or next; closeness: "Swift's major writings have a proximity and a relevance that is splendidly invigorating" (M.D. Aeschliman). See Usage Note at redundancy.
[Middle English, from Old French proximite, from Latin proximitās, from proximus, nearest; see PROXIMATE.]
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.