conterminum
From LSJ
μοχθεῖν τε βροτοῖσ(ιν) άνάγκη → and you mortals must endure trouble (Euripides' Hippolytus 208)
Latin > English (Lewis & Short)
contermĭnum: i, n., v. conterminus.
Latin > English
conterminum contermini N N :: region bordering on; neighboring/adjacent region/area