a. The portion of the human leg between the hip and the knee.
b. The corresponding part of the hind leg of a quadruped or other vertebrate animal.
2. The second segment of a bird's leg, containing the tibia and fibula.
3. A cut of meat taken from this part of an animal's body, especially from poultry.
[Middle English, from Old English thēoh; see teuə- in the Appendix of Indo-European roots.]
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 Appendicies
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.