Compound of *kata- ( “ one side ” ) + *na ( “ edge ” ) .[ 1] [ 2] [ 3]
This na element is spelled in monolingual Japanese sources as 刃 ( “ edge, blade ” ) , but there is no historical attestation for any na reading for this character. Possibly cognate with modern Korean 날 ( nal , “ blade ” ) .
*katana
knife
Old Japanese: 刀 ( katana )
Proto-Ryukyuan: *katana Northern Ryukyuan:Kikai: 刀 ( hatana ) Kunigami: 刀 ( hatāna ) Northern Amami Ōshima: 刀 ( xaθana ) Okinawan: 刀 ( katana ) Okinoerabu: 刀 ( hatana ) Southern Amami Ōshima: 刀 ( xatna ) Tokunoshima: 刀 ( katana ) Yoron: 刀 ( hatana ) Southern Ryukyuan:Miyako: 刀 ( katana ) Yaeyama: 刀 ( katana ) Yonaguni: 刀 ( katana )
^ Shōgaku Tosho (1988 ) 国語大辞典(新装版) (in Japanese), Tōkyō : Shogakukan , →ISBN
^ Matsumura, Akira , editor (2006 ), 大辞林 (in Japanese), Third edition, Tokyo : Sanseidō , →ISBN
^ “刀 ”, in デジタル大辞泉 [1] (in Japanese), Tōkyō : Shogakukan , updated roughly every four months