Aṭlāʾ is used for the young of animals; majtham is a place where a creature settles or rests. Min kulli majtham widens the scene: youngsters rise not from one fixed corner but from resting spots across the site.
This picture makes the apparently empty place into a different sort of inhabited world. The poet seeks the memory of a woman's home, yet finds not human residents but the current life of wild creatures. That contrast provides visible evidence of passing time.