Added 10 October 2026
anesthesia
/ˌæn.əsˈθiːz.i.ə/ noun
Latin root: anaesthēsia Wiktionary
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about anesthesia at Wordnik → Where our words come from →
- Loss of bodily sensation with or without loss of consciousness.
Origin
Sense of “insensibility” attested since 1679, from New Latin anaesthēsia, from Ancient Greek ἀναισθησία (anaisthēsía, “without sensation”), from ἀν- (an-, “not”) and αἴσθησις (aísthēsis, “sensation”). By surface analysis, an- + -esthesia. Sense of “state induced by an agent” attested since 1846.
From Wiktionary, via Kaikki.org (CC BY-SA)