What is the origin of the idiom "come up in the world" and when to use it?

The origin of the phrase "come up in the world" is uncertain, but it likely emerged in medieval Europe. One theory suggests that it comes from the idea of moving up in society, while another theory suggests that it is derived from the idea of rising from poverty to achieve success. Regardless, the phrase has been used for centuries to describe achieving greater success or prosperity than one previously had.