Literature Reference: 陇头水，千古不堪闻。生归苏属国，死别李将军。细响风凋草，清哀雁落云。—— 《横吹曲辞 陇头水》 The waters of Longtou, unbearable to hear through the ages. Life returns to Su Shuguo, death parts with General Li. The faint sound of the wind withers the grass, the clear sorrow makes the wild geese fall from the clouds. Source from 'Hengchui Quc: Longtou Shui'.
忆: Longing and reminiscence, often characteristic of those with a delicate heart and a deep capacity for affection.
故: Thus, the tale unfolds.
Meaning: The name 'Yigu' embodies deep nostalgia and endless longing for the past, filled with melancholy and reminiscence.