His achievements were evaluated by Emperor Go-Daigo, and he was awarded the letter (尊), which came from the emperor's real name Takaharu (尊治), so he changed the letter in his name from "高氏" to "尊氏".
幕府滅亡の勲功第一とされ、後醍醐天皇の諱・尊治（たかはる）の御一字を賜り、名を尊氏に改める。