Douglas Harper's Etymology Dictionary
Afghan council of elders, 1843, from Persian jarga "ring of men."
Wikipedia
Jirgah (, also Romanized as Jīrgāh) is a village in Zalaqi-ye Sharqi Rural District, Besharat District, Aligudarz County, Lorestan Province, Iran. At the 2006 census, its population was 28, in 4 families.
Usage examples of "jirgah".
The Jirgah may accept terms of peace in the morning, and the camp may be rushed that night.
On the 24th of September Sir Bindon Blood received despatches appointing him to the command of the First Division of the Tirah Expeditionary Force, and as the negotiations with the Mamund Jirgahs were then in progress, and it seemed that a settlement might be reached, he proceeded with his staff to Panjkora.
Full jirgahs were sent to the camp from the tribe, and gradually a definite understanding was reached.
The reconnaissances in force, which were sent out daily to the farther end of the valley, were not resisted in any way, and the tribal jirgahs used every effort to collect the rifles which they had been ordered to surrender.