in·tu·i·tion (ĭn′t-ĭshən, -ty-)
1. The faculty of knowing or understanding something without reasoning or proof. See Synonyms at reason.
2. An impression or insight gained by the use of this faculty: "I had this intuition you would come here just after the rain broke" (Carson McCullers).
[Middle English intuicioun, insight, from Late Latin intuitiō, intuitiōn-, a looking at, from Latin intuitus, a look, from past participle of intuērī, to look at, contemplate : in-, on; see IN-2 + tuērī, to look at.]
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.