glos·sa·ry  (glô s ə-r ē, gl ŏs ə-)
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n. pl. glos·sa·ries A list of often difficult or specialized words with their definitions, often placed at the back of a book.
[Middle English glosarie, from Latin glōssārium, from glōssa, foreign word; see GLOSS2.]
glos·sari·al (glô-sârē-əl, glŏ-) adj. glossa·rist 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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