am·bas·sa·dor  ( ăm-b ăs ə-d ər, -dôr ′)
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n. 1. A diplomatic official of the highest rank appointed and accredited as representative in residence by one government or sovereign to another, usually for a specific length of time. 2. A diplomatic official heading their country's permanent mission to certain international organizations, such as the United Nations. 3. An authorized messenger or representative. 4. An unofficial representative: ambassadors of goodwill.
[Middle English ambassadour, from Old French ambassadeur, from Medieval Latin ambactia, mission, from Latin ambactus, servant, ultimately of Celtic origin; see ag- in the Appendix of Indo-European roots.]
am·bas′sa·dori·al (-dôrē-əl) adj. am·bassa·dor·ship′ n. |
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:
Indo-European Roots
Semitic Roots
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.
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