c.1400, from Old French content, "satisfied," from Latin contentus "contained, satisfied," past participle of continere (see contain). Related: Contently (largely superseded by contentedly).
early 15c., from Middle French contenter, from content (adj.) "satisfied," from Latin contentus "contained, satisfied," past participle of continere (see contain). Sense evolved through "contained," "restrained," to "satisfied," as the contented person's desires are bound by what he or she already has. Related: Contented; contentedly.