a toe in the door(redirected from toe in the door)
a toe in the door
The chance to do something that could lead to further opportunities. The phrase is often used to refer to employment. An internship might not sound very interesting, but it's a great way to get a toe in the door at this company.
a toe in the doora (first) chance of ultimately achieving what you want; a position from which further progress is possible. informal
The image here is of placing your foot in a doorway in such a way as to prevent the door being closed in your face.