How is the term "Inari" related to Inari Shrine on Inari-yama Kofun (an ancient mound tomb) in Sakitama Kofun-gun (a group of ancient mound tombs), and when was it built?
埼玉県行田市のさきたま古墳群内、稲荷山古墳上の稲荷社との関連とその時期。