- monsieur
[monsieur 词源字典]
- monsieur: see sir
[monsieur etymology, monsieur origin, 英语词源] - monsieur (n.)
- 1510s, from French monsieur, from mon sieur "my lord," from sieur "lord," shortened form of seigneur (see monseigneur) It was the historical title for the second son or next younger brother of the king of France.