* Typo: A misspelling of another word, such as "fact," "fractured," or "fraction."
* Slang: A word with a specific meaning within a particular group or region. Without more context, it's impossible to determine its origin.
* Made-up word: A word created for a specific purpose, such as a fictional story or a technical jargon.
Please provide more context or information about where you encountered the word "fract" so I can help you understand its origin.