hadadrimmon

from Easton's 1897 Bible Dictionary
Hadad-rimmon
(composed of the names of two Syrian idols), the name of a place
in the valley of Megiddo. It is alluded to by the prophet
Zechariah (12:11) in a proverbial expression derived from the
lamentation for Josiah, who was mortally wounded near this place
(2 Chr. 35:22-25). It has been identified with the modern
Rummaneh, a village "at the foot of the Megiddo hills, in a
notch or valley about an hour and a half south of Tell
Metzellim."
    
from Hitchcock's Bible Names Dictionary (late 1800's)
Hadadrimmon, invocation to the god Rimmon
    

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