"To evolve that trait" means that a characteristic or quality is gradually developing or changing over time to become better suited to a particular situation or environment. Full definition
Clearly another place where the bible is wrong, since it is not a curse, it is a naturally evolved trait. (religion.blogs.cnn.com)
Sure it might just the chaotic thoughts of a dying brain, but really, why would humans evolve this trait to, upon death, imagine very similar things? (religion.blogs.cnn.com)
On the reasonable assumption that chimp and human laughter are homologous rather than independently evolved traits, laughter must be at least 5 million to 7 million years old. (discovermagazine.com)