Here's the breakdown:
* Master of ceremonies was the original phrase used to describe someone who hosted an event and guided its proceedings.
* The term was shortened to "M.C." as an abbreviation.
* Over time, the abbreviation became pronounced as "emcee" and the spelling evolved to reflect that pronunciation.
So, the word "emcee" has its roots in the long-standing tradition of having a designated leader or host for formal events.