The chief beadle or principal officer in charge of maintaining order in a church or court.
From arch- (chief) + beadle (from Old English bydel, meaning 'herald' or 'constable'). A beadle was a low-ranking official who kept order; the archbeadle was the supreme beadle. The term reflects medieval institutional hierarchies where even minor officials had superiors.
Beadles were basically medieval hall monitors, and the archbeadle was like the head hall monitor—officially authorized to boss around all the other beadles. Every institution needed someone to make people sit down and shut up, even in church!
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