selahammahlekoth

from Easton's 1897 Bible Dictionary
Sela-hammahlekoth
cliff of divisions the name of the great gorge which lies
between Hachilah and Maon, south-east of Hebron. This gorge is
now called the Wady Malaky. This was the scene of the interview
between David and Saul mentioned in 1 Sam.26:13. Each stood on
an opposing cliff, with this deep chasm between.
    
from Hitchcock's Bible Names Dictionary (late 1800's)
Sela-hammah-lekoth, rock of divisions
    

[email protected]