desex

[dee-seks]

verb (used with object)

Veterinary Surgery. to castrate or spay.
to deprive of sex, sex appeal, or sexual interest.
to remove elements of sexism from; degenderize: a campaign to desex business writing.

Origin of desex

First recorded in 1910–15; de- + sex

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

When it becomes necessary to desex men, the resulting condition is infantile, not female.
Taboo and Genetics
Melvin Moses Knight, Iva Lowther Peters, and Phyllis Mary Blanchard

desex in Medicine

(dē-sĕks′)