gown
noun
[ ɡaʊn ]
• a long elegant dress worn on formal occasions.
• "a silk ball gown"
gown
verb
• be dressed in a gown.
• "she was gowned in luminous silk"
Origin:
Middle English: from Old French goune, from late Latin gunna ‘fur garment’; probably related to Byzantine Greek gouna ‘fur, fur-lined garment’.