Who invented equilibrium?

Could you elaborate on the origins of the concept of equilibrium? Who was the pioneering thinker who first conceptualized this idea, and what were the circumstances that led to its inception? Was it a solitary individual or a collective effort that gave birth to this fundamental concept in economics, finance, and various other disciplines? How has the notion of equilibrium evolved over time, and what role has it played in shaping our understanding of these fields?