Relating to or producing numbness; having the quality of reducing sensation or feeling.
From Greek 'an-' (without) + 'aisthesis' (sensation or feeling) + '-atic' (relating to). This is a variant or archaic form of 'anaesthetic,' showing older English spelling conventions.
The root 'aisthesis' is the same word behind 'aesthetics'—but while aesthetics is about sensation and appreciation of beauty, anaesthesia is about the absence of sensation, showing how the same Greek root can be used in opposite ways.
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