Source : Webster's Revised Unabridged Dictionary (1913)

Ending \End"ing\, n.
   1. Termination; concluding part; result; conclusion;
      destruction; death.

   2. (Gram.) The final syllable or letter of a word; the part
      joined to the stem. See 3d {Case}, 5.

   {Ending day}, day of death. --Chaucer.