It is highly likely this keyword refers to the theoretical concept of an (a short jump between stars) combined with a "Sh" sound representing either a "Shunt" (redirecting energy), a "Shock" (wave), or simply the tail end of "Short-hop."
The "Hop-Sh" is the future of motion. It acknowledges that the galaxy is not a highway, but a pond. And we are the stones. Interstellar Hop Sh
The interstellar version is no different. We will not fly to the stars. We will hop to them. We will shunt our way across the void, surfing the gravitational wakes of dead suns and rogue giants. It is highly likely this keyword refers to