In the German language the word Schmuck means jewelry, adornment. The etymology of the pejorative meaning is a matter of some disagreement. The lexicographer Michael Wex, author of How to Be a Mentsh (And Not a Shmuck), writes that the Yiddish term and the German term are completely unrelated.
A fundamental philosophy of medical oncology, including combination chemotherapy, is that different drugs work through different mechanisms, and that the results of using multiple drugs will be synergistic to some extent.
Chemotherapy is a cancer treatment where medication is used to kill cancer cells. There are many different types of chemotherapy medication, but they all work in a similar way. They stop cancer cells reproducing, which prevents them from growing and spreading in the body.