from 2749; to put to sleep, i.e. (passively or reflexively) to slumber; figuratively, to decease:

KJV-- (be a-, fall a-, fall on) sleep, be dead.

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2749 keimai (ki'-mahee);

middle voice of a primary verb; to lie outstretched (literally or figuratively):

KJV-- be (appointed, laid up, made, set), lay, lie.