There is such a thing as adjective order. https://en.wikipedia.org/wiki/Adjective#Order https://en.wikipedia.org/wiki/Adjective#Order Arguably "private" is or

There is such a thing as adjective order. https://en.wikipedia.org/wiki/Adjective#Order https://en.wikipedia.org/wiki/Adjective#Order Arguably "private" is origin and "robotic" is purpose.