part company

/P AA1 R T K AH0 M P AH0 N IY0/
verb
  1. 1

    To end a relationship.

  2. 2

    (of two or more people or things) To separate; go their own ways.

    โ€œThe vines parted company with the wall as I attempted the climb, and I crashed to the ground.โ€

Source: https://en.wiktionary.org/wiki/part%20company