Geld

verb
  1. To castrate a male animal, especially a horse. verb
    The farmer decided to geld the young stallion to make it more manageable.
    Veterinarians are often called upon to geld horses as part of their routine duties.
  2. To deprive of vitality or vigor; to weaken or emasculate. verb
    Critics argue that the new regulations will geld the company's ability to innovate.
    The harsh criticism seemed to geld his enthusiasm for the project.