According to one theory, the onset of an era of peace and stability was accompanied by growing interest in cultural pursuits among the general populace, leading to the rise of a new custom of having one's daughters learn how to dance, and that kimono sleeves were lengthened during this time in order to show off one's motions more gracefully.
一説には、世の中が安定期に入るにつれ文化に対する民衆の関心が高まり、娘に舞踊を習わせる習慣が生まれたが、その際に身振りを美しく見せるために袖を長大化させていったという。