BT Ber 54b(53) :בריך רחמנא דיהבך לן ולא יהבך לעפרא‏ : blessed is the Merciful One who consigned you to us [i.e. made you recover from your illness] and did not consign you to the dust
See the entire entry for ˁp̄ār, ˁap̄rā n.m. dust