Definition & Meaning of "[make] a move on {sb}"

What is the origin of the idiom "make a move on someone" and when to use it?

The idiom "make a move on someone" is believed to have originated in the 19th century. It is thought to be a reference to the idea of making a physical move on someone, such as by touching them or kissing them. The idiom has since come to mean to make an attempt to pursue someone romantically, either physically or verbally.