From un- (“de-, dis-, away”) + man (“male person”). Compare Dutch ontmannen, German entmannen, both “to unman, emasculate, castrate”.
unman (third-person singular simple present unmans, present participle unmanning, simple past and past participle unmanned)
- (transitive, archaic) To castrate; to remove the manhood of.
- (transitive) To sap the strength, whether physical or emotional, required to deal with a situation.
- His fear unmanned him.
- (transitive) To deprive of men.