What does the suffix '-otomy' signify?

The suffix '-otomy' is specifically used in medical terminology to denote the act of cutting into or making an incision in a particular organ or tissue. This is a common suffix found in various surgical procedures, such as laparotomy, which involves making an incision into the abdominal cavity, and tracheotomy, which refers to cutting into the trachea. The fundamental aspect of '-otomy' is the aspect of incision rather than removal or repair, distinguishing it from related terms. Understanding this suffix helps in interpreting medical procedures accurately, especially in identifying what is being performed during surgery.