At this time, Iwayu was granted setto (a sword given by the emperor in the symbol of his trust to the appointment of someone to a mission), and after this, granting setto in the subjection of indigenous inhabitants in eastern Japan became a custom. このとき石湯は節刀を賜り、その後の蝦夷征討では節刀を賜ることが慣例となった。 |