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...The name of a place in Fuwa County, Mino Province (Gifu Prefecture). In the Middle Ages it was Imasu (Imasu) Township, in early modern times it was Imasu Village, Imasu-juku on the Nakasendo Road, and now it is a large area in Sekigahara Town. During the Muromachi period, the Nagae clan had influence in this area, and Shigekage built Myo-ji Temple for his mother's soul, and in 1442 (Kakitsu 2) Motokage and others donated a Buddhist field.

*Some of the terminology explanations that mention "residential benefits" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…美濃国(岐阜県)不破郡の地名。中世には今須(居益)郷，近世には今須村，中山道今須宿，現在は関ヶ原町の大字。室町時代長江氏がこの地に勢力を有し，重景が母の菩提のため妙応寺を建て，1442年(嘉吉2)元景らが仏田を寄進している。…

※「居益」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報