What does the prefix -tomy mean?

The prefix "-tomy" means "cutting" or "incision". It is often used in medical terms to refer to a surgical procedure that involves making an incision.

Here are some examples:

* Appendectomy: Surgical removal of the appendix

* Laparotomy: Surgical incision into the abdominal cavity

* Tonsillectomy: Surgical removal of the tonsils

* Craniotomy: Surgical incision into the skull

* Phlebectomy: Surgical removal of a vein