tr.v. lev·i·gat·ed, lev·i·gat·ing, lev·i·gates
a. To make into a smooth, fine powder or paste, as by grinding when moist.
b. To separate fine particles from coarse by grinding in water.
2. To suspend in a liquid.
3. To make smooth; polish.
adj. (-gāt′, -gĭt)
[Latin lēvigāre, lēvigāt- : lēvis, smooth; see lei- in the Appendix of Indo-European roots + agere, to make, do; see ag- 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.