Whether it is Oracle Bone Inscriptions or the "snow" of seal script, it is a word recognition.
Oracle Bone Inscriptions's "snow" comes from rain and feathers (like goose feathers and heavy snow), which means it will snow heavily.
The "snow" of seal script begins with rain and ends with coma (holding a broom). The logic of cognition has changed, and "snow" has become rain that can be swept away by hand.
Refer to the writing of the word "snow" in Oracle Bone Inscriptions and seal script, as shown below: