Plural of 'aura'; distinctive atmospheres or emanations surrounding a person or thing, or in neurology, warning sensations before a migraine or seizure.
From Latin 'aura' (meaning 'breeze' or 'wind'), which entered English meaning an invisible emanation or essence, and later developed medical meanings for the sensory warning signs preceding neurological events.
The progression from 'aura' meaning 'breeze' to a spiritual 'emanation' to a medical 'warning sign' shows how the same word travels through different domains—poetry, mysticism, and neurology—carrying echoes of its original physical meaning.
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