If the paper plane came first, what were they called before planes were invented?
If the plane came first, how on earth did we manage to build flying machines before we could simply fold paper in a certain way?
The most concise answer can be found in
Did people make paper airplanes before the airplane was invented? by /u/ashkenazeeyankee,
some further discussion of flying toys can be found in answers to
Did paper airplanes exist before the Wright Brothers?
and
Did people fold paper into paper airplanes before the invention of the airplane?