lab·y·rin·thine (lăb′ə-rĭnthĭn, -thēn′) or lab·y·rin·thi·an (-thē-ən)
Relating to, resembling, or constituting a labyrinth: "the labyrinthine corridors ... of bureaucratic red tape" (William H. Hallahan).
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.