Caught or arrested someone, especially a criminal; or to understand and grasp mentally.
From Latin 'apprehendere' meaning 'to seize' or 'to grasp,' from 'ad-' (toward) and 'prehendere' (to take). The word has both physical and mental meanings.
The word 'apprehend' has two totally different meanings—a police officer 'apprehends' a suspect physically, but you 'apprehend' an idea mentally—and they both come from the same Latin root about grasping!
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