moxa

詳細解釋：

mox.a

n.（名詞）
A cone or cylinder of cotton wool or other combustible material, placed on the skin and ignited in order to produce counterirritation.
艾，艾蒿：以棉毛或其它可燃物捲成的圓錐或圓柱形，置於皮膚上，點燃以使身體產生反刺激

來源：
Japanese mogusa
Japanese mogusa
moeru [to burn]
moeru [to burn]
kusa [herb]
kusa [herb]