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I Ching (ē jĭng)
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n.
A Chinese book of ancient origin consisting of 64 interrelated hexagrams along with commentaries attributed to Confucius. The hexagrams, originally used for divination, embody Taoist philosophy by describing all nature and human endeavor in terms of the interaction of yin and yang. Also called Book of Changes.
[Mandarin Yì Jīng, Book of Changes, from Middle Chinese jiajk kjiajŋ : jiajk, change + kjiajŋ, warp (of a loom), to pass through, classic (text), book.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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:

    Indo-European Roots

    Semitic Roots

    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.

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