A projection on the end of a piece of wood shaped for insertion into a mortise to make a joint.
tr.v. ten·oned, ten·on·ing, ten·ons
1. To provide with a tenon.
2. To join with a tenon.
[Middle English, from Old French, from tenir, to hold, from Latin tenēre; see ten- in the Appendix of Indo-European roots.]
(click for a larger image)tenon
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.