幕府

Noun

 * 1)  office of a commanding officer in ancient China
 * 2)  shogunate administration of a shogun

Etymology
From. The kan'on reading, so likely a later borrowing.

Originally referred to the tents or encampment of the commanders of a military force in the field. This then extended to refer to the command structure, and then to the form of government under a shōgun.

Noun

 * 1)  shogunate
 * 2)  the tents or encampment of the commanders of a military force in the field