emasculate (v.)

"to deprive of the male functions, deprive of virility or procreative power," c. 1600, from Latin emasculatus, past participle of emasculare "castrate," from assimilated form of ex "out, away" (see ex-) + masculus "male, manly" (see masculine). Originally and usually in a figurative sense in English. Related: Emasculated; emasculating.