tr.v. fus·ti·gat·ed, fus·ti·gat·ing, fus·ti·gates
1. To beat with a club; cudgel.
2. To criticize harshly: "Joe McCarthy .... fustigated Robert La Follette Jr., the incumbent whom he whipped in the GOP primary, as an isolationist" (Bill Kauffman).
[Late Latin fūstigāre, fūstigāt- : Latin fūstis, club; see FUSTY + Latin agere, to do; see ag- in the Appendix of Indo-European roots.]
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.