c.1340, "of or pertaining to character or temperament" (good or bad), from O.Fr.
moral, from L.
moralis "proper behavior of a person in society," lit. "pertaining to manners," coined by Cicero (
"De Fato," II.i) to translate Gk.
ethikos (see
ethics) from L.
mos (gen.
moris) "one's disposition," in pl., "mores, customs, manners, morals," of uncertain origin. Meaning "morally good, conforming to moral rules," is first recorded c.1386 of stories, 1638 of persons. Original value-neutral sense preserved in
moral support, moral victory, with sense of "pertaining to character as opposed to physical action." The noun meaning "moral exposition of a story" is attested from c.1500.
Moralistic formed 1865.