Hong: it refers to deep and wide water. It also refers to ponds and lakes.
Shuo Wen Jie Zi explains the cloud: the lower part is deep. Hiroshi from the water.
Zhou: "Zhou" was originally called "Zhou", and later generations added water with the word "other states and counties". Original meaning: land in water.
Meaning The name can be interpreted as: "Hong Che? Zhouzhu ". The idiom "inch by inch, nine continents and four seas"