Definiția și Sensul lui "[keep] the [wolf] from the door"

What is the origin of the idiom "keep the wolf from the door" and when to use it?

The origin of the idiom "keep the wolf from the door" can be traced back to medieval times. Wolves were considered a significant threat to people's safety and livelihood, especially in rural areas. This phrase is used to describe the effort to meet one's basic needs, particularly related to food, shelter, and other essential necessities.