ad·um·brate (ădəm-brāt′, ə-dŭm-)
tr.v. ad·um·brat·ed, ad·um·brat·ing, ad·um·brates
1. To give a sketchy outline of.
2. To prefigure indistinctly; foreshadow.
3. To disclose partially or guardedly.
4. To overshadow; shadow or obscure.
[Latin adumbrāre, adumbrāt-, to represent in outline : ad-, ad- + umbra, shadow.]
ad·umbra·tive (ə-dŭmbrə-tĭv) adj.
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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.