Bailiff's "Listen up!"

• Bailiff's repeated cry
• When tripled, a court cry
• Town crier's call
• When repeated, a court cry
• When repeated thrice, a court cry
• Court order
• Court call, when said thricely
• Cry in court

Wiktionary Word definitions in Wiktionary
interj. hear ye. Attend. (Called by public criers or in court usually three times to secure silence). n. A cry of "oyez".

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 ).