During the Muromachi period, it became treasured as important especially in the world of haikai (seventeen-syllable verse) and was even incorporated into the Noh music, and so on, and was systematized into theory. |
室町時代には特に俳諧の世界で重要視されるようになり、能楽などにも取り入れられて理論化されてゆく。 |