intr.v. su·per·er·o·gat·ed, su·per·er·o·gat·ing, su·per·er·o·gates
To do more than is required, ordered, or expected.
[Late Latin superērogāre, superērogāt-, to spend over and above : Latin super-, super- + Latin ērogāre, to spend (ē-, ex-, ex- + rogāre, to ask; see reg- in the Appendix of Indo-European roots).]
su′per·er′o·gation (-gāshən) n.
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.