As for most Tachi in this period, Odachi which originally had a long length were recreated for Uchigatana in later days by modifying the length with Suriage (shortening) and O-suriage (further shortening).
この時代の太刀は、元来長寸の大太刀であったものを後世に磨上げ（すりあげ）・大磨上げ（おおすりあげ）されて長さを調整され、打刀に造り直されているものが多い。