dophkah

from Easton's 1897 Bible Dictionary
Dophkah
knocking, an encampment of the Israelites in the wilderness
(Num. 33:12). It was in the desert of Sin, on the eastern shore
of the western arm of the Red Sea, somewhere in the Wady Feiran.
    
from Hitchcock's Bible Names Dictionary (late 1800's)
Dophkah, a knocking
    

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