"remove blemishes from," 1620s, from Latin emaculatus "freed from blemishes," past participle of emaculare, from assimilated form of ex "out of" (see ex-) + maculare "make spotted, speckle" (see maculate (adj.)).
em-
*em-
emaciate
emaciated
emaciation
emaculate
e-mail
email
emanant
emanate
emanation