

In its curved form, the sword is known to the Japanese as tachi in the eighth century. The development of Japanese swordsmanship as a component system of classical bujutsu created by and for professional warriors ( bushi), begins only with the invention and widespread use of the Japanese sword, the curved, single-cutting-edged long sword. : 4 The Kojiki (Record of Ancient Matters) and the Nihon Shoki (History of Japan), ancient texts on early Japanese history and myth that were compiled in the eighth century A.D., describe iron swords and swordsmanship that pre-date recorded history, attributed to the mythological age of the gods ( kami). History Īrchaeological excavations dated the oldest sword in Japan from at least as early as second century B.C. 1488), founder of the school Tenshin Shōden Katori Shintō-ryū. The term 'iaijutsu' was first verified in connection with Iizasa Chōisai Ienao (c.
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The Japanese sword has existed since the Nara period (710–794), where techniques to draw the sword have been practiced under other names than 'iaijutsu'. It is also unclear when techniques to draw katana from the scabbard were first practiced as a dedicated form of exercise.

Historically, it is unclear when the term "iaijutsu" originated. : 14, 50 The formulation of iaijutsu as a component system of classical bujutsu was made less for the dynamic situations of the battlefield than for the relatively static applications of the warrior's daily life off the field of battle. Iaijutsu technique may be used aggressively to wage a premeditated surprise attack against an unsuspecting enemy. Iaijutsu is a combative sword-drawing art but not necessarily an aggressive art because iaijutsu is also a counterattack-oriented art.
