starting point

/S T AA1 R T IH0 NG P OY1 N T/
noun
  1. 1

    (sometimes figurative) The place where a journey starts.

    โ€œKing's Cross Station proved to be the starting point of a journey that took me around the world.โ€

  2. 2

    The first steps when commencing an activity.

    โ€œExamining the data and facts will be a good starting point.โ€

Source: https://en.wiktionary.org/wiki/starting%20point