also: りょしん
noun
message from a traveler; letter from a journey
Rare term for a message or letter sent by someone while traveling. In modern Japanese, 旅便り (たびだより) is more common.
古い文書に「旅信」という言葉が出てくる。
The word 旅信 appears in old documents.
彼は旅先から旅信を送ったと記録にある。
Records say he sent a message from his journey.
Modern and common term for a letter or message from a journey; 旅信 is its rare kanji variant.
Compound of 旅 (journey) and 信 (message, letter). The reading たびだより is a kun-yomi compound, while りょしん is the on-yomi reading. The exact historical derivation is uncertain.