1. Law The right of a court to hear a particular case, based on the scope of its authority over the type of case and the parties to the case.
a. Authority or control: islands under US jurisdiction; a bureau with jurisdiction over Native American affairs.
b. The extent of authority or control: a family matter beyond the school's jurisdiction.
3. The territorial range of authority or control.
[Middle English jurisdiccioun, from Old French juridicion, from Latin iūrisdictiō, iūrisdictiōn- : iūris, genitive of iūs, law; see yewes- in the Appendix of Indo-European roots + dictiō, dictiōn-, declaration (from dictus, past participle of dīcere, to say; see deik- in the Appendix of Indo-European roots).]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 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.