風
フウ, フ, かぜ, かざ, かぜ, い, え
wind, air, style, manner
JLPT4 G2 S9 F558
A variant form of 鳳 (large bird flapping its wings), later conceived of as the source of *wind* causing various life forms and other objects to flutter → *trend*; *atmosphere*; *taste*; *custom* (← things brought in then carried off by the wind).
[Full Kanji Etymology List]