For a long while The Legend of Zelda: Tears of the Kingdom’s title was a secret for fear of spoilers, and that’s apparently because it used to have a different name.
Big spoilers ahead for Tears of the Kingdom, so read at your own peril.
Back in 2019, Nintendo surprisingly revealed that a sequel to Breath of the Wild was in the works, but at the time it didn’t have a proper name.
I was one of the many people that felt confused by that point, as Tears of the Kingdom as a title doesn’t really tell you anything.