Here's the breakdown:
* Early Usage: The word "fired" originally referred to the act of setting off a cannon or other firearm. This usage dates back to the 15th century, as cannons became increasingly prominent in warfare.
* Metaphorical Shift: Over time, the concept of "firing" a weapon evolved into a metaphor for forcefully removing something, like a person from their position. This shift occurred in the 17th century.
* Business World: The phrase "fired" transitioned into the business context in the 19th century. It became associated with dismissing employees, likely because of the similar sense of abruptness and finality in both situations.
Therefore, the phrase "fired" is a direct descendant of the act of firing a cannon, with the metaphorical meaning of forceful removal taking root in the business world.