means Trash carelessly dropped or scattered in a public place; also a group of animals born at once, or a portable bed once carried by servants.

from From Old French litiere, itself from Medieval Latin lectaria, rooted in Latin lectus, 'bed.' The first sense was literally a bed you could carry — a curtained couch borne on poles. From 'bed' came the straw or rushes spread for animals to lie on, then the bedding's scattered, strewn quality, and from that strewing we got both the 'mess on the ground' meaning and the 'litter of piglets' born together on that bedding. So the candy wrapper on the sand and the basket of kittens are distant cousins, both descended from a portable bed.