This sentence comes from the song "Let the wind take away my thoughts". The original sentence is to walk in the cold wind and forget you from now on. Let the wind take away my thoughts and let the rain take away my tears. You won't be heartbroken again.
"Feng" is a common Chinese character, which was first seen in Oracle Bone Inscriptions. The original meaning of wind is the phenomenon of air flow caused by uneven air pressure distribution. Shuowen: "Wind, eight winds also".