Where does the term lets call a spade a spade originate and what does it mean?

The phrase "call a spade a spade" originates from the ancient Greek philosopher Plato, who used a similar expression in his work "Republic." It means to speak plainly and directly about something, without euphemism or avoidance. The term emphasizes honesty and straightforwardness in discussing uncomfortable truths or situations. Over time, it has come to signify the importance of recognizing and naming things as they truly are.