Third person singular present of dive; to plunge headfirst into water, or to descend rapidly downward.
From Old English 'dyfe,' related to 'dip,' from Germanic roots meaning to immerse. The word has been used for swimming motions for over a thousand years.
Diving depth records are astounding—the deepest human dive was over 300 meters, and sperm whales routinely dive deeper than 2000 meters, holding their breath by collapsing their lungs and slowing their heart rate to a few beats per minute.
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