chigyō

…the size of fiefs (chigyō) of Nobunaga’s retainers in order to confirm the extent of their military services and obligations to him.

…vassal, based on the feudal chigyō system. In theory, the land belonged to the shogun, who divided this among the lords as a special favor, or go-on. In order to rank as a daimyo, a warrior had to control lands producing at least 10,000 koku. In return, the daimyo incurred…