Filled with, treated with, or containing ether; infused with ethereal or heavenly qualities; made light and airy.
From 'aether' (or 'ether') plus the suffix '-ed.' In medical history, this particularly described objects treated with ether anesthetic.
In the 1800s, doctors would produce 'aethered' cloths soaked in ether to anesthetize patients—the word captures that moment when chemistry became medicine.
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