jalmēsa

This is a region or portion of land, as defined by something natural – like terrain or so.

kexien tema jekīþa ien la þō jatarūni jawēhi tō tema jatēla ien la þō jalmēsa sū sōssirja pa anhāri wā ewaþ ñi sāen rājanō;
Of course, he knew these were mirages because he knew this part of Sōssirja has no water, yet he followed.