프랑스어 기원의 인명에서 '...출신의' 또는 '...의'라는 뜻으로 쓰이는 말.
A particle used in French surnames, originally meaning 'of the' or 'from the', indicating origin or family lineage.
예문:
"The du Pont family is well-known for their chemical company."
"He signed his name as Jean du Lac on the document."