To stop or catch something or someone on the way from one place to another, before they reach their destination.
From Latin 'intercipere' meaning 'to seize in between', from 'inter-' (between) + 'capere' (to take). The idea of taking something in the middle carried directly into English.
An interception is a kind of midair edit—you rewrite what was supposed to happen by grabbing it mid-journey. In math graphs, the ‘intercept’ is where a line is caught by an axis, which is the same idea in a calmer form.
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