bithron

from Easton's 1897 Bible Dictionary
Bith-ron
the broken or divided place, a district in the Arabah or Jordan
valley, on the east of the river (2 Sam. 2:29). It was probably
the designation of the region in general, which is broken and
intersected by ravines.
    
from Hitchcock's Bible Names Dictionary (late 1800's)
Bithron, divisions
    

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