Where does “Monsieur” come from?

Monsieur (French) comes from French mon, from French oncle, from Middle French oncle, from Old French oncle, from Vulgar Latin aunclum, from Latin avunculus, from Proto-Indo-European h₂éwh₂os — maternal grandfather; maternal uncle.

Monsieur (French): Alternative letter-case form of monsieur Used to...

Definitions

  1. Alternative letter-case form of monsieur Used to...

Ancestry of “Monsieur”, step by step

Monsieur traces back through two separate lines of ancestry.

via French mon

StepLanguageWordMeaning
1Frenchmonmy; Followed by rank, obligatory way of...
2Frenchoncleuncle
3Middle Frenchoncleuncle
4Old Frenchoncleuncle
5Vulgar Latinaunclum
6Latinavunculusmaternal uncle, mother's brother; mother's...
7Proto-Indo-Europeanh₂éwh₂osmaternal grandfather; maternal uncle

via French sieur

StepLanguageWordMeaning
1Frenchsieursir, Mr., lord; title of respect for a man
2Old Frenchsirenominative singular of sieur; master, sir, lord;...
3Vulgar Latinseior
4Latinseniorolder, elder; rather old; a lord, sir; an abbot
5Latinsenexold, aged, elderly; old person, old man, old...
6Proto-Indo-Europeansénosold

Words derived from “Monsieur

Every word from Proto-Indo-European h₂éwh₂osEvery word from Latin avunculusEvery word from Vulgar Latin aunclum