Origin of moxaaltered from Japanese mogusa, a caustic from moe kusa, burning herb
Origin of moxaJapanese mogusa moeru to burn kusa herb
(countable and uncountable, plural moxas)
From Chinese è‰¾ (mogusa, “mugwort"). It is also used in Japanese with u not strongly pronounced, leading to its disappearance and the devoicing of the plosive. First used by Hermann Buschoff, a Dutch minister in Batavia, who wrote the first book about this remedy in 1674.
moxa - Medical Definition