loom 1 (lm)
intr.v. loomed, loom·ing, looms
1. To come into view as a massive, distorted, or indistinct image: "I faced the icons that loomed through the veil of incense" (Fergus M. Bordewich). See Synonyms at appear.
2. To appear to the mind in a magnified and threatening form: "Stalin looms over the whole human tragedy of 1930-1933" (Robert Conquest).
3. To seem imminent; impend: Revolution loomed but the aristocrats paid no heed.
A distorted, threatening appearance of something, as through fog or darkness.
[Perhaps of Scandinavian origin.]
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.