D defs.my
Entry 2 senses Webster, 1913

Antecessor

· An·te·ces·sor · IPA
01 n. One who goes before; a predecessor.
  1. 1.
    One who goes before; a predecessor.
    “The successor seldom prosecuting his antecessor's devices.” — Sir E. Sandys.
  2. 2.
    An ancestor; a progenitor.[Obs.]