a. Of, relating to, or assisting digestion: peptic secretion.
b. Induced by or associated with the action of digestive secretions: a peptic ulcer.
2. Of, relating to, or involving pepsin.
3. Capable of digesting.
A digestive agent.
[Latin pepticus, from Greek peptikos, digested, from peptos, from peptein, to digest; see pekw- 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 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.