betweenhood

noun2

1. •
   The state or condition of being between or in-between; intermediate condition; betweenness.

   • Mörike, writes one scholar, is situated historically in a state of Zwischenheit, or “betweenhood”; [...] — 2000
2. •
   That which is between or in-between; anything intermediate.

   • This fence, this gap, this indeterminate betweenhood, is the discursive condition of semiotics, as the semiotic is the condition of all conversation. — 2004