居い合あい刀がたな

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Meanings

1

noun

iaido practice sword

martial arts

A sword specifically designed for iaido practice, often unsharpened or made of alloy, distinct from a live blade.

模も擬ぎ刀とう
模擬刀 is a broader term for imitation swords used in various martial arts or as props, while 居合刀 specifically refers to practice swords for iaido.
真しん剣けん
真剣 is a real, sharpened sword, whereas 居合刀 is a practice sword, often unsharpened.

Compound of 居合 (iai, 'iaido') and 刀 (katana, 'sword'), literally 'iaido sword'.