1. Remaining sound, entire, or uninjured; not impaired in any way.
2. Having all physical parts, especially:
a. Having the hymen unbroken.
b. Not castrated.
[Middle English, from Latin intāctus : in-, not; see IN-1 + tāctus, past participle of tangere, to touch; see tag- in the Appendix of Indo-European roots.]
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.