To take air into your lungs and let it out again.
From Old English “brēothian,” related to “brēath,” meaning “breath.” The pair “breath” (noun) and “breathe” (verb) kept their close connection in modern spelling.
English quietly separates “breath” (thing) and “breathe” (action) with just one extra letter and a sound change. That tiny shift hides one of the most important life processes in your body behind almost identical twins.
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