a·geu·si·a (ə-gyzē-ə, -zhē-ə, -zhə)
Loss of the sense of taste.
[New Latin : Greek a-, without; see A-1 + geusis, sense of taste (from geuesthai, to taste; see geus- in the Appendix of Indo-European roots).]
a·geusic (-zĭk, -sĭk) adj.
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.