n. pl. do·does or do·dos
1. A large flightless bird (Raphus cucullatus) with a hooked beak that inhabited the island of Mauritius in the Indian Ocean until it became extinct in the late 1600s.
2. Informal One who is out-of-date, as in dress or ideas.
3. Informal A stupid person; an idiot.
[Portuguese dodó, alteration of obsolete Dutch dodors : Dutch dot, tuft of feathers + obsolete Dutch ors, tail (from Middle Dutch ærs; see ors- in the Appendix of Indo-European roots).]
(click for a larger image)dodo
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.