揮
キ, ふる.う

brandish, wave, wag, swing, shake

JLPT1 G6 S12 F946

As per 軍# (circularity) + 手 hand → rotate one's hands → *command*; *wield* → *brandish* (compare 撝). Also, *display* and *throw off*.

[Full Kanji Etymology List]