Where does “風” come from?

風 (Japanese) comes from Old Japanese かぜ, from Proto-Japonic kansay — wind.

風 (Japanese): wind; airs; a style

Definitions

Step	Language	Word	Meaning
1	Old Japanese	かぜ	—
2	Proto-Japonic	kansay	wind

風 — Etymology, Origin & Word History | Etymology Explorer