Noah Webster
Ethics
ETH'ICS, noun The doctrines of morality or social manners; the science of moral philosophy, which teaches men their duty and the reasons of it.
2. A system of moral principles; a system of rules for regulating the actions and manners of men in society.
Ethiops martial, black oxyd of iron; iron in the form of a very fine powder, and in the first state of calcination.
Ethiops mineral, a combination of mercury and sulphur, of a black color; black sulphuret of mercury.
*EDITORIAL NOTE: possibly a printers error for the word ETHIOPS