The deliberate concealment of data within other data, as by embedding digitized text in a digitized image.
[New Latin steganographia, cryptography, cipher : Greek steganos, covered (from stegein, to cover; see (s)teg- in the Appendix of Indo-European roots) + -graphiā, -graphy.]
steg′a·no·graphic (-nə-grăfĭk) adj.
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:
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.