Used to form the possessive case of singular nouns, plural nouns that do not end in s, certain pronouns, and phrases that function as nouns or pronouns: nation's; women's; another's; the girl next door's cat.
[Middle English -s, -es, from Old English -es, genitive sing. suff.]
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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.