As the ingredients soaked in soy-sauce are fried, their color becomes the tone of red leaves, which reminds people of red leaves floating on the Tatsuta-gawa River, a spot where red leaves are often viewed.
材料に染み込んだ醤油の色が、揚げることで紅葉のような色合いになるために、紅葉の名所である竜田川に紅葉が流れる姿が連想されるからである。