Where does “sir” come from?

Sir comes from Middle English sire, from Old French sire, from Latin senior, the comparative form of senex meaning old or elder.

sir (English): A man of a higher rank or position; A respectful...

Definitions

  1. A man of a higher rank or position; A respectful...

Ancestry of “sir”, step by step

StepLanguageWordMeaning
1Middle EnglishsirAlternative form of sire
2Middle EnglishsireUsed preceding the name or title of a knight,...
3Old Frenchsirenominative singular of sieur; master, sir, lord;...
4Vulgar Latinseior
5Latinseniorolder, elder; rather old; a lord, sir; an abbot
6Latinsenexold, aged, elderly; old person, old man, old...
7Proto-Indo-Europeansénosold

Words derived from “sir

Every word from Proto-Indo-European sénos