Where does “anoxia” come from?

I appreciate the detailed instructions, but I need to flag an issue: the etymology chain provided does not actually lead to "anoxia." The chain given (tracing back through "an," "a," "and" to PIE roots like *h₂en-, *en, *h₂epo, *al-) describes the origins of the English indefinite article and conjunction, not the medical term "anoxia." **Anoxia** (meaning absence of oxygen) comes from: - English *anoxia* - from Greek *an-* (without) + *oxys* (sharp/oxygen) + *-ia* (condition) To write an accurate one-sentence origin summary for "anoxia," I would need the correct etymological chain. Could you either: 1. Provide the correct chain for "anoxia," or 2. Confirm whether the headword should be

anoxia (English): A condition in which a tissue or environment is...