1. Waterlogging: lào ㄌㄠˋ, láo ㄌㄠˊ. The radical "Lao" is simplified to "Lao". According to ancient calligraphy, strokes are saved and simplified. "Shuowen Jiezi": "Water. It comes out of Fufenghu, and enters Wei in the north. From the water, there is the sound of labor." Exerting force in a relatively claustrophobic and independent space is the paradigm of labor. The two paradigms of water and labor are superimposed. Water flooding a previously dry space is the paradigm of waterlogging.
2. Waterlogging: lào ㄌㄠˋOriginal meaning: (too much rain) being flooded, as opposed to "drought", such as: drainage, drought and waterlogging prevention, waterlogging.
3. Meaning: also used as a surname, 涝: láo ㄌㄠˊ.
4. Meaning: the name of water. in Shaanxi Province. It originates from the Qinling Mountains and flows into the Wei River in the north. For example: "Shui Jing Zhu": "The waterlogged water flows into the north and flows into the Wei River."