Relating to or affecting respiration or the organs of respiration. Used to describe anything connected with breathing or the respiratory system.
From Latin respiratus, past participle of respirare meaning 'to breathe again' or 'to breathe back.' The word evolved from re- (back) + spirare (to breathe), entering English in the mid-17th century through medical terminology.
The respiratory system processes about 11,000 liters of air daily, yet we're only conscious of our breathing when something goes wrong! The word's Latin roots literally mean 'breathing back,' which perfectly captures the cyclical nature of inhalation and exhalation.
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