gla·ci·ate (glāshē-āt′, -sē-)
tr.v. gla·ci·at·ed, gla·ci·at·ing, gla·ci·ates
a. To cover with ice or a glacier.
b. To subject to or affect by glacial action.
2. To freeze.
[Latin glaciāre, glaciāt-, to freeze, from glaciēs, ice; see gel- 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.