of·fal (ôfəl, ŏfəl)
1. Waste material or byproducts from a manufacturing process.
2. Meat, including internal organs (such as liver, heart, or kidney) and extremities (such as tail or hooves), that has been taken from a part other than skeletal muscles. Also called variety meat.
3. Refuse; rubbish.
[Middle English : of-, off (from Old English, from of; see apo- in the Appendix of Indo-European roots) + fal, fall.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. 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.