your letter; your esteemed letter
Formal honorific term used to refer respectfully to another person's letter. Common in written correspondence and formal speech.
Thank you for your letter the other day.
I am writing to reply to the contents of your esteemed letter.
Standard kanji spelling for this honorific term.
Alternate kanji spelling; less common than 尊翰.
Composed of 尊 (respect, honor) and 翰 (writing brush, letter). The exact historical derivation is uncertain, but the spelling is conventionally associated with respectful reference to another's letter.