or back sto·ry
noun, plural back·sto·ries.
Examples from the Web for backstory
We spent a lot of time creating a backstory for our “Man” played by David Logan Rankin.Nitehawk Shorts Festival: ‘Brute,’ a Twisted Take on Playing in the Dark|Julia Grinberg|November 28, 2014|DAILY BEAST
If this sounds a lot like the Abu Nazir backstory, well, it should.‘Homeland’ Season 4: A Stripped-Down and Surprisingly Badass Return to Form|Marlow Stern|September 30, 2014|DAILY BEAST
A dial-in audio guide (888-763-8839) gives you the backstory behind the bizarre displays.
I was wondering if you had constructed some kind of backstory for him.The Great Character Actor: Guy Pearce on His Brilliant Career, From ‘Priscilla’ to ‘The Rover’|Richard Porton|May 23, 2014|DAILY BEAST
But I think his backstory is just part of the richness of the character.Meet the Red Viper: Pedro Pascal on Game of Thrones’ Kinky, Bisexual Hellraiser|Marlow Stern|March 26, 2014|DAILY BEAST
Word Origin and History for backstory
c.1990, from background story.