jumpspace

Compound of jump +‎ space.

jumpspace (uncountable)

1. (science fiction) Hyperspace.
   • 2003, L[eland] E[xton] Modesitt Jr., The Ethos Effect, New York, N.Y.: Tor Books, →ISBN, page 176:

     The Fergus entered jumpspace, but never emerged. The Scandyans were kind enough to let us check their records, and they show a clean drop.

• Jesse Sheidlower, editor (2001–2025), “jumpspace, n.”, in Historical Dictionary of Science Fiction.