v. drowsed, drows·ing, drows·es
To be half-asleep: drowsed in the warm sun.
1. To make drowsy: "drowsed with the fume of poppies" (John Keats).
2. To pass (time) by drowsing.
The condition of being sleepy.
[Perhaps ultimately from Old English drūsian, to sink, be sluggish; see dhreu- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 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.