[TacticalCoder]

Yes it's GNU readline, but note that the very Wikipedia link you gave explains that it's GNU readline that re-used those shortcuts from Emacs, not the other way round.

So it's not wrong to call these "Emacs" shortcuts.

[BoingBoomTschak]

Well, it is called `set -o emacs` in all shells of note (except POSIX; even pdksh).