slip from

slip from something

to fall away from something; to lose one's step or grasp and fall from something. He slipped from the top step and fell down the other three. Ted slipped from the stool and fell on the floor.
See also: slip
References in classic literature ?
I was by this time afraid of but one thing in the world; and that was to be set back upon the rock; anything else was welcome to me; so we got ourselves at once in marching order, and began to slip from rock to rock one after the other, now crawling flat on our bellies in the shade, now making a run for it, heart in mouth.
If the surface slip layer is lost, it usually gets replenished by slip from the bulk of the film.