monseigneur (French) comes from French seigneur, from Middle French seigneur, from Old French seignor, from Latin senior, from Latin senex, from Proto-Indo-European sénos — old.
monseigneur (French): monseigneur; Monsignor
Definitions
monseigneur; Monsignor
Ancestry of “monseigneur”, step by step
monseigneur traces back through two separate lines of ancestry.