From inter- +‎ location.

interlocation

1. A placing or coming between; interposition.
   • 1671, George Villiers, 2nd Duke of Buckingham, The Rehearsal

     an interlocation of the Moon, betwixt the Earth and Sun

interlocation (not comparable)

1. Between different locations.

   an interlocation delivery

• “interlocation”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.