Komentarz do Powtórzonego Prawa 23:2: Raszi, Rambam, Ibn Ezra i więcej

פצוע דכא means, one whose stones have been bruised (פצוע) or crushed (דכא) (Sifrei Devarim 247:1).

פצוע דכא, an example of people who are unable to produce offspring, just like castrated people.

פצוע דכה, “someone whose testicles have been crushed;” even if only one of his testicles has been crushed. (Yevamot 75).
וכרות שפכה, “or whose male organ has been severed.” The reason the Torah employs the word שפכה, “poured out,” is that this organ serves to discharge either urine or semen.