The term 'King Maker' is a combination of two crossword solutions: SERTA (5 letters) and POWERBROKER (11 letters). SERTA is a Latin word meaning 'CERTAINLY' or 'UNDOUBTEDLY'. It is often used to express certainty or agreement. POWERBROKER is a term used to describe someone who has a great deal of influence in a particular field or industry. This person is usually able to make decisions that have a significant impact on the outcome of a situation. Together, these two words form the phrase 'King Maker', which is used to describe someone who has the power to make or break a leader or ruler.