Related Clues:

• Farewell, to 10-Across
• It's usually bid
• Farewell, at the French Open
• Paris version of "arrivederci"
• Toulouse "toodles"
• Farewell, somewhere
• So long
• Arrivederci kin
• Last word in Tours
• Toulouse 'Toodle-oo'
• Goodbye in Gascony
• Bye, somewhere overseas
• Farewell abroad
• 'Au revoir!'
• Bye word?