unman
v.
1590s, "to deprive of the attributes of a human being," from un-(2) + verbal derivative of man, n.. Meaning "to deprive of manly courage" is attested from c.1600; that of "to emasculate" is from 1680s.
〔李〕[un-=to deprive of剥夺；man n.男子汉 →] v.deprive of the qualities of a man；weaken the spirit of使失去男子汉气质；使懦弱