jumping-off point

Noun jumping-off point has 1 sense

• jumping-off point(n = noun.act) point of departure, springboard - a beginning from which an enterprise is launched; "he uses other people's ideas as a springboard for his own"; "reality provides the jumping-off point for his illusions"; "the point of departure of international comparison cannot be an institution but must be the function it carries out"
is a kind of beginning, commencement, start