Here's why:
* Salpinx is the Greek word for "tube," specifically referring to the Eustachian tube.
* -o is a common combining form that means "pertaining to."
Therefore, salping/o means "pertaining to the Eustachian tube."
Here are some examples of medical terms using this combining form:
* Salpingitis: Inflammation of the Eustachian tube.
* Salpingopharyngeal: Pertaining to the Eustachian tube and the pharynx.
* Salpingostenosis: Narrowing or obstruction of the Eustachian tube.