https://books.google.com/books?id=A-...20blow&f=false

Looks like boxing had this before it showed up on karate's tournament scene.

Which is older again ? Point being all arts have everything if we can only see. Often that means looking for decades before ones eyes open and omg there it is.
Individuals may have specialized and focused mainly on only certain aspects of an art do to circumstances, environments, rules, etc. Later versions may drop once common ideas because of the evolution of the art. Evolution is not always good but may be necessary to become adaptive to immediate particulars.