monsù

Borrowed from Piedmontese monsù derived from French monsieur (mister, gentleman), mon (my) + French it (sir)+ French frm + French mon, from der + French it (sir)+ French fro + French mun, from der + French it (sir)+ French VL. + French -, der + French it (sir)+ French LL. + French mum, a reduced variant of der + French it (sir)+ French la (the, war)+ French meum, nominative neuter singular of m + French la (the, war)+ French meus + French sieur + French it (sir)+ French fro + French sire, from der + French it (sir)+ French VL. + French *seior, from der + French it (sir)+ French la (the, war)+ French senior + French older, elder derived from Middle French mon derived from Old French mun derived from Latin mum, meum derived from Old French sire (lord, sir, master) derived from Latin *seior, senior (older, elder).

Latin