e·mar·gi·nate (ĭ-märjə-nĭt, -nāt′)
Having a shallow notch at the tip, as in some petals and leaves.
[Latin ēmarginātus, past participle of ēmargināre, to take the edge away : ē-, ex-, ex- + margō, margin-, margin; see merg- in the Appendix of Indo-European roots.]
e·mar′gi·nation (-nāshən) n.
(click for a larger image)emarginate
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.