Etymology of the English word decorum
the English word
decorumderived from the Latin word
decorum (decorum, that which is suitable, seemly)
derived from the Latin word
decorus (beautiful, good looking, handsome; honorable, noble; glorious)
derived from the Latin word
decor (beautiful; pleasing to the senses; beauty, good looks, decent appearance)
derived from the Proto-Indo-European root
*dek-derived from the Late Latin word
decere (it is fitting, right, seemly)
derived from the Proto-Indo-European root
*dek-Date
The earliest known usage of decorum in English dates from the 16th century.
Usage
Word found in Modern English