noun
Refers to a preserved dead body, especially from ancient Egypt, or metaphorically to something dried up.
from Portuguese mirra
博物館でエジプトのミイラを見た。
I saw an Egyptian mummy at the museum.
干からびてミイラみたいになった。
It dried up and became like a mummy.
From Portuguese 'mirra', ultimately from Arabic 'mūmiyā'.