noun Etymology: Latin, from neuter of decorus Date: 1568 literary and dramatic propriety ; fitness , propriety and good taste in conduct or appearance, orderliness , the conventions of polite behavior
DECORUM
Meaning of DECORUM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012