moxa
Concise Oxford English Dictionary © 2008 Oxford University Press:
moxa /ˈmɒksə/
▶noun a downy substance obtained from the dried leaves of an Asian plant related to mugwort (Crossostephium artemisioides), burnt on or near the skin in Eastern medicine as a counterirritant.
– origin C17: from Japanese mogusa, from moe kusa ‘burning herb’.
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