Ethics
Moral Philosophy
noun
You already learned that 倫理 means "ethics" so when you add study it means the ethics you study in school.
りんりがく
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
医学倫理学の講座を受けています。
I’m taking a course on medical ethics.