What do we call this (new?) higher-order function?

Question

I am trying to name what I think is a new idea for a higher-order function. To the important part, here is the code in Python and Haskell to demonstrate the concept, which will

Answer 1

The generalized variant of the plain zip version of this is what I would think of as window. Not at a ghci terminal right now, but I think window n = take n . tails. Then your function is zipWith (\[x,yj -> f x y) . window 2. This sort of style naturally works better when f is of type [a] -> b.