"lining membrane of the uterus," 1882, medical Latin, from endo- + Greek mētra "uterus," related to mētēr "mother" (see mother (n.1)). Related: Endometrial (1870).
endocrine
endocrinology
endoderm
endogamy
endogenous
endometrium
endomorph
endorphin
endorse
endorsement
endoscopy