Tenka-Goken

The Tenka-Goken (天下五剣, "Five [Greatest] Swords under Heaven") are a group of five Japanese swords.[1] Three are National Treasures of Japan, one an Imperial Property, and one a holy relic of Nichiren Buddhism. Among the five, some regard Dōjigiri as "the yokozuna of all Japanese swords" along with Ōkanehira.[2]

Origin

As of 2017, the term is widely recognized among Japanese sword connoisseurs. For example, the national institute uses the word in an explanation for Mikazuki.[3] Although some books claim that the term dates back to the Muromachi period (1333–1573),[2] its exact origin is unknown. Suiken Fukunaga cites a book Yorozu Kaimono Chohōki (万買物調方記) written in the fifth year of Genroku (1692–1693),[4] so the term is traceable back to at least the late 17th century if the citation is to be believed.

Kanzan Sato commented that in terms of pure quality from the viewpoint of modern sword connoisseurs, although they are undoubtedly five of the greatest swords, it is doubtful whether they are the five greatest swords.[5] He guessed that the criteria of this selection include the values of legends associated to these famous swords.[5]

List

Sometimes the selection differs from the following list. For instance, a list by Kanzan Sato includes Ichigo-hitofuri Yoshimitsu (一期一振吉光), an Imperial Property of Japan, instead of Onimaru [6] (although in other parts of the same book Sato contradicts himself and uses the same list as the following [2][5]).

Officially each sword is called by the combination of meibutsu (名物, "celebrated product"), name, and the personal name of its bladesmith, for example, meibutsu Dōjigiri Yasutsuna (名物童子切安綱, "celebrated Dōjigiri Yasutsuna"),[7] often shortened as Dōjigiri Yasutsuna.

NameSignatureBladesmithClassificationNote
Dōjigiri (童子切, "Slayer of Shuten-dōji")安綱Hōki-no-Kuni Yasutsuna (伯耆国安綱)National Treasure10–12th century.[7] Tachi. Length 80.0 cm, curvature 2.7 cm.[7] Owned by Tokyo National Museum.[7] Legends say Minamoto no Yorimitsu killed the monster Shuten-dōji with this sword.[2] Sometimes it is called "the yokozuna of all Japanese swords" because of its perfection; it is of great historical value as one of the oldest extant katana-type weapons, the quality and the artistic value of the blade is exquisite, it has been kept in good preservation, and the legend tied to the sword is notable.[2]
Onimaru (鬼丸, "Demon")國綱Awataguchi Sakon-no-Shōgen Kunitsuna (粟田口左近将監国綱)Imperial PropertyTachi. Length 78.3 cm.[8] Owned by the Imperial Household Agency. Along with Ōdenta and Futatsu-mei, the sword was considered to be one of the three regalia swords of the shōguns of the Ashikaga clan.[6][8] The epic Taiheiki includes a story that the sword moved by itself and killed an oni demon who was cursing Hōjō Tokimasa, from which the name Onimaru came.[8]
Mikazuki (三日月, "Crescent Moon")三条Sanjō Kokaji Munechika (三条小鍛冶宗近)National Treasure10–12th century.[3] Tachi. Length 80 cm, curvature 2.7 cm, scabbard length 85.3 cm.[3] Owned by Tokyo National Museum.[3] It is called Mikazuki because of its "crescent-moon-shaped pattern (J. mikazuki) of the tempering".[3] The yōkyoku Kokaji tells a legend that Munechika was graced by the god Inari.[9]
Ōdenta (大典太, "Great Denta" or "The Best among Swords Forged by Denta")光世作Miike Denta Mitsuyo (三池典太光世)National TreasureTachi. Length 66.1 cm, curvature 2.7 cm.[6] Owned by Maeda Ikutokukai. Along with Onimaru and Futatsu-mei, the sword was considered to be one of the three regalia swords of the shoguns of the Ashikaga clan.[6] Later passed down to Maeda Toshiie.[6] A legend says the sword healed a daughter of Toshiie and another legend says birds never try to approach to a warehouse where this sword is stored.[6]
Juzumaru (数珠丸, "Rosary")恒次Aoe Tsunetsugu (青江恒次)Important Cultural PropertyTachi. Length 81.08 cm, curvature 3.0 cm.[5] Owned by Honkōji Temple, Amagasaki.[5] The name came from a legend that Nichiren adorned the sword with a juzu (a Buddhist rosary) to cleanse evil spirits.[5]
  • Dojikiri Yasutsuna
  • Onimaru Kunitsuna
  • Mikazuki Munechika

Notes
  1. "Nihonto Club - Five Great Swords of Japan". Retrieved 2017-12-31.
  2. Sato, 1990. pp. 116–117.
  3. "Long sword signed Sanjou (celebrated Mikazuki Munechika)". e-Museum. National Institutes for Cultural Heritage. Retrieved 2017-11-02.
  4. Fukunaga, 1993. vol. 3, p. 302 and vol. 5, p. 379.
  5. Sato, 1990. pp. 138–140.
  6. Sato, 1990. pp. 127–129.
  7. "Long sword signed Yasutsuna (celebrated Doujigiri Yasutsuna)". e-Museum. National Institutes for Cultural Heritage. Retrieved 2017-11-02.
  8. Fukunaga, 1993. vol. 1, pp. 231-233
  9. Sato, 1990. pp. 112–114.

References
  • Sato, Kanzan (1990) (in Japanese) New Selection of 100 Noteworthy Japanese Swords (新・日本名刀100選, Shin Nihon Meitō Hyakusen). Akita Shoten. ISBN 4-253-90009-7.
  • Fukunaga, Suiken (1993) (in Japanese) Encyclopedia of Japanese Swords (日本刀大百科事典, Nihontō Daihyakka Jiten). Yūzankaku. ISBN 4-639-01202-0.
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