ammah

from Easton's 1897 Bible Dictionary
Ammah
a cubit, the name of a hill which Joab and Abishai reached as
the sun went down, when they were in pursuit of Abner (2 Sam.
2:24). It lay to the east of Gibeon.
    
from Hitchcock's Bible Names Dictionary (late 1800's)
Ammah, my, or his, people
    

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