unman

verb4

1. •
   (figurative) To sap (a person) of the strength, whether physical or emotional, required to deal with a situation.

   • I hope to God his theories will not unman him in action, that he will not be musing and refining when he should be leading the Jacks […] — 1855
2. •
   To deprive of men.
3. •
   (no longer used) To castrate; to remove the manhood of.

   • He unmanned himself under a pine-tree and bled to death on the spot. — 1906
4. •
   (no longer used) To divest of humanity.

   • Unman not therefore thy self by a beastial transformation, nor realize old Fables. — 1881