The quality or state of being full of vapor, exhalation, or breathing; the condition of having significant breath or fumes.
From Latin 'halitus' (breath, exhalation) combined with the suffix '-osity' (quality or condition of being). This is a rare English formation from Latin roots emphasizing vaporous or breathing qualities.
This beautifully obscure word captures something poets loved—the invisible vapor of breath itself, which humans can see on cold days but usually forget we're constantly releasing.
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