Court order?

• Bailiff's cry
• Bailiff's "Listen up!"
• Courtroom call
• Courtroom attention-getter
• Court crier's word
• When repeated, a court cry
• Crier's call
• Attention-getter, in some rooms
• Court call, when said thricely

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
early 15c., from Anglo-French oyez "hear ye!" (late 13c., Old French oiez ), a cry uttered (usually thrice) to call attention, from Latin subjunctive audiatis , plural imperative of audire "to hear" (Anglo-French oier ; see audience ).