I think the correct spelling is "無", but wikipedia lists english spellings as "mu" (from Japanese) or "wu" (from Chinese)[0] 0 - https://en.wikipedia.org/wiki/

I think the correct spelling is "無", but wikipedia lists english spellings as "mu" (from Japanese) or "wu" (from Chinese)[0] 0 - https://en.wikipedia.org/wiki/Mu_(negative) https://en.wikipedia.org/wiki/Mu_(negative)