The [[Oxford English Dictionary]] and most scholars state that sincerity from sincere is derived from the Latin sincerus meaning clean, [[pure]], sound (1525–35). Sincerus may have once meant "one growth" (not mixed), from sin- (one) and crescere (to grow). Crescere derives from "Ceres," the goddess of grain, as in "cereal."[3][4] | The [[Oxford English Dictionary]] and most scholars state that sincerity from sincere is derived from the Latin sincerus meaning clean, [[pure]], sound (1525–35). Sincerus may have once meant "one growth" (not mixed), from sin- (one) and crescere (to grow). Crescere derives from "Ceres," the goddess of grain, as in "cereal."[3][4] |