Wiktionary
n. (context philosophy English) A point from which one has an unrestricted perspective in time (see quotation from 1996).
Usage examples of "nowhen".
Bridget was nowhere and nowhen, hanging over the edge of a bottomless pit.
Ada Beaumont back in a sheet with the blood and the rain soaking it, and Bob Davies following along after the litter with his clothes soaked and stained with mud and blood, and that look in his eyes that was nowhere, and nowhen, as if he had backed away from life.
For some unguessable time it was nowhere and nowhen in terms of conventional, relativistic space.
In Astronomy, Jake was, as usual, peering wistfully at a galaxy somewhere out on the marches of nowhen, trying to turn spiral arms into elliptical orbits without recourse to the calculations section.