1. Accumulated or stored wealth in the form of money, jewels, or other valuables: search for buried treasure; spending much of the national treasure on armaments.
2. Valuable or precious possessions of any kind.
3. One considered especially precious or valuable: bought several treasures at the estate sale; saw her assistant as a treasure.
tr.v. treas·ured, treas·ur·ing, treas·ures
1. To keep or regard as precious; value highly. See Synonyms at appreciate.
2. To accumulate or store away, as for future use: "This same withered and crumbling flower ... Five and fifty years it has been treasured between the leaves of this old volume" (Nathaniel Hawthorne).
[Middle English tresure, from Old French tresor, from Latin thēsaurus, from Greek thēsauros.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.