aesth-, esth-, aesthe-, esthe-, aesthesio-, esthesio-, aesthesia-, -esthesia, -aesthetic, -esthetic, -aesthetical, -esthetical, -aesthetically, -esthetically
(Greek: feeling, sensation, perception)
The index of anesthesia history, Parts 1, 2, and 3.
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Related-word units meaning feeling: senso-; pass-, pati-; patho-.