Historical clue formulations

• Prefix meaning "other" — 2024-12-14
• French greeting — 2021-08-12
• French greeting — 2017-04-16
• Gallic greeting — 2014-07-27
• Gallic greeting — 2010-09-04
• When doubled, popular 1980s-'90s British sitcom — 2010-07-21
• Brisk, in mus. — 1995-12-22