ending day
Webster's Dictionary (GCIDE)
Ending \End"ing\, n.
1.Termination; concluding part; result; conclusion; destruction; death. [1913 Webster]
2.(Gram.) The final syllable or letter of a word; the part joined to the stem. See 3d Case, 5. [1913 Webster]
Ending day, day of death. --Chaucer. [1913 Webster]