Historical clue formulations

• Partner of "ty" — 2025-08-12
• Counterpart of "thx" — 2025-04-06
• Abbreviated entreaty — 2024-11-17
• Texting counterpart of "ty" — 2024-02-02
• Counterpart of "thx" — 2024-01-21
• Counterpart of "Thx" — 2021-12-26
• Abbr. of politeness — 2015-10-11
• Abbr. of politeness — 2013-09-15
• Texting counterpart of "TY" — 2013-03-02
• Abbr. of politeness — 2010-10-29
• Abbr. of politeness — 2007-01-28
• Some nouns: Abbr. — 1998-11-15