A spirited horse, a horse that cannot be fully broken, a horse that moves by its own internal force rather than the direction of an outside hand.

The name was given to him by his father when he had proven himself.

It was inherited, in a sense, from a family name — the father had also been known as Crazy Horse before giving the name to his son.

The quality the name describes — being unbroken, being governed by an interior force rather than an exterior one — is relevant to the burial mystery in a specific way.

The secrecy of the burial is consistent with the quality the name describes: this was not a person who, even in death, was going to be positioned and displayed and managed by the people who had killed him and imprisoned him.