A veggie by any other name may actually get eaten
http://edition.cnn.com/2017/06/19/health/vegetables-indulgent-names-study/index.html
Basically, most of the people aren't willing to eat vegetable. So, in order to let people eat more vegetable, we have to add attractive points to vegetable.
As the article says, indulgent name would be one of them.
Traditional way of them is to change taste of vegetable by adding seasoning or making it pickled.
There are a lot of ways other than just saying "Eat more vegetable to keep fit!"
