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Yes, the pelvis sacral bone is called the sacrum due to a historical belief that it was the seat of the soul

. The name derives from the Latin os sacrum, meaning “sacred bone,” which is a translation of the ancient Greek term hieron osteon. 

While the “seat of the soul” theory is a prominent explanation, it is one of several historical theories about why the bone was considered sacred. 

Other theories for the name’s origin

• Sacrificial rites: In ancient Greek sacrificial rites, the sacrum and tail of the animal were sometimes offered to the gods, making the bone itself “sacred”.
• Resurrection: In some ancient traditions, including among the Hebrews and Egyptians, the sacrum was believed to be so hard and durable that it would be the last bone to decompose. This led to the belief that it would serve as the nucleus for resurrection in the afterlife.
• Protection of reproductive organs: The sacrum protects the delicate reproductive organs and was seen as a “holy” structure because it held the organs of procreation.
• Possible mistranslation: The Greek word hieron can also mean “strong” or “large” in addition to “sacred.” Some scholars suggest that the Romans may have mistranslated the Greek, and the original meaning simply described the sacrum as a large, strong bone. 

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