[es-thee-zhuh, -zhee-uh, -zee-uh]
Also aes·the·sis [es-thee-sis] /ɛsˈθi sɪs/.
Origin of esthesis
First recorded in 1850–55, esthesis is from the Greek word aísthēsis sensation, perception
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the normal ability to experience sensation, perception, or sensitivity
Word Origin for aesthesia
C20: back formation from anaesthesia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
The ability to feel or perceive.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.