/ˈeTHiks/
Moral principles that govern a person's behavior or the conducting of an activity.
The branch of knowledge that deals with moral principles.
"Meta ethics is confusing."
A set of moral principles, especially ones relating to or affirming a specified group, field, or form of conduct.
Late Middle English (denoting ethics or moral philosophy; also used attributively): from Old French éthique, from Latin ethice, from Greek (hē) ēthikē (tekhnē) ‘(the science of) morals’, based on ēthos.