Interjacency

its fluctuations are but motions subservient; which winds, storms, shores, shelves, and every interjacency irregulates.

[…] It is very well known, that England and Scotland made but one Iſland, divided not by the Sea or any conſiderable Arm thereof, but only by the Interjacency of the River Tweed, and ſome Deſert Ground, which did not hinder any eaſie common Acceſs of the People of the one Kingdom to the other: […]