Domes·day Book (dmzdā′, dōmz-) also Dooms·day Book (dmz-)
The written record of a census and survey of English landowners and their property made by order of William the Conqueror in 1085-1086.
[From Middle English domesday, doomsday; see DOOMSDAY.]
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.