The cold outside is mián, which is the house; People are in the middle; There are three "grasses" on the left and right sides of people, which shows a lot; The two lines below represent "ice". Cold is a feeling that people can feel but can't see. So the ancients created this word in the above four forms. People huddle indoors and use grass to avoid the cold, indicating that the weather is very cold. Original meaning: cold, cold.
To tell you the truth, the two are not related. The only explanation I can think of is that the word "cold" is really becoming more and more common in fictional names.
I admit it has a certain taste.
If not, there can only be a far-fetched explanation.