a. The partial or complete obscuring, relative to a designated observer, of one celestial body by another.
b. The period of time during which such an obscuration occurs.
2. A temporary or permanent dimming or cutting off of light.
a. A fall into obscurity or disuse; a decline:"A composer ... often goes into eclipse after his death and never regains popularity"(Time).
b. A disgraceful or humiliating end; a downfall:Revelations of wrongdoing helped bring about the eclipse of the governor's career.
tr.v.e·clipsed, e·clips·ing, e·clips·es
a. To cause an eclipse of.
b. To obscure; darken.
a. To obscure or diminish in importance, fame, or reputation.
b. To surpass; outshine:an outstanding performance that eclipsed the previous record.
[Middle English, fromOld French, fromLatineclipsis, fromGreekekleipsis, fromekleipein, to fail to appear, suffer an eclipse : ek-, out; see ECTO– + leipein, to leave; see leikw- in the Appendix of Indo-European roots.]
(click for a larger image)eclipse
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 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.