ethic
noun
[ ˈɛθɪk ]
• a set of moral principles, especially ones relating to or affirming a specified group, field, or form of conduct.
• "the puritan ethic was being replaced by the hedonist ethic"
ethic
adjective
• relating to moral principles or the branch of knowledge dealing with these.
• "the ethic question is of wider import"
Origin:
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 (see ethos).