deontology (n.)youdaoicibaDictYouDict[deontology 词源字典]
science of moral duty, 1826, from Greek deont-, comb. form of deon "that which is binding, duty," neuter present participle of dei "is binding;" + -ology. Said to have been coined by Bentham. Related: Deontological.[deontology etymology, deontology origin, 英语词源]