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About the school

Senjuin School千手院派

Among the five schools of the *Yamato-den*, Senjuin (千手院) is held to be the earliest in origin, its name drawn from the Senjudo, a hall enshrining Senju Kannon (the Thousand-Armed Avalokitesvara) said to have stood at the western foothills of Mt. Wakakusa in Nara. The smiths who gathered in that quarter, working under the patronage and within the orbit of the great temples, formed the group, and their close association with the warrior-monks of the monastic establishments is thought to account for the scarcity of signed work that marks the school across its whole span. Old transmitted writings name two masters of the late Heian period, Yukinobu and Shigehiro, though no secure example by either has been confirmed; the oldest surviving signed piece is a *tachi* cut with the three-character inscription "Senjuin," placed in the early Kamakura period. Blades prefixed Ko-Senjuin are assigned to the earliest phase and retain the lingering presence of the straight-sword (*chokuto*) tradition, material indispensable to the study of how the curved *shinogi-zukuri* blade took form. Production runs from the late Heian period through the *Nanbokucho* era. The school's vocabulary is rooted firmly in Yamato practice. The *jigane* is an *itame* mixed with *mokume* and passages of *nagare-masame*, often tending toward *hada-dachi*, with thick *ji-nie* adhering well, abundant *chikei*, and in finer examples a faint *nie-utsuri* that leaves the steel bright and clear; the *masame* gathers and strengthens toward the edge on the most Yamato of the blades. The *hamon* is fundamentally a *suguha* with a shallow *notare* tendency, mixing *ko-choji*, *ko-gunome*, and *ko-midare*, the *habuchi* fraying into *hotsure* with *uchi-noke*, *nijuba*, *kuichigai-ba*, and *yubashiri* worked in profusion; thick *ko-nie* lies along a clear *nioiguchi*, while *kinsuji* and *sunagashi* run vigorously through the *ji* and *ha*. The *boshi* enters straight and forms a *ko-maru* with vigorous *hakikake*, or finishes in *yakizume*. Within this shared foundation the hands diverge. Yoshihiro is singled out as the smith whose *ji* and *ha* vary most, his *nie* especially strong, swelling from the school's quiet *suguha* into a flamboyant large *midare* with *kinsuji* and *sunagashi* that reads toward *Soshu*. Sukemitsu gathers *ko-choji*, *ko-gunome*, and small *midare* on a bright *suguha-cho*, a Bizen-leaning admixture set against the school's plainer temper, his bold two-character *mei* itself a mark of the hand. Nobuyoshi of the Ryumon group, a Yamato branch, divides between a lively *midare* carrying *utsuri* and a Bizen character and a subdued *suguha* fraying into *hotsure* in which the Yamato color stands strongest. To *kantei* a Senjuin blade is to read its position among its neighbours, and the long-standing rule holds that within the Yamato Five Schools a *hamon* of unusually vigorous and changeable character should be appraised as Senjuin, against the more restrained tempers of Tegai, Shikkake, Taima, and Hosho. The *masame* in the *ha*, the *hotsure*, *kuichigai-ba*, and *nijuba*, and the *yakizume* or *hakikake boshi* keep the work within Yamato, while the brightness of the *nioiguchi* and the *ko-midare* on the edge set it apart from the plainer *suguha* of its sister schools. Surviving forms span *tachi*, *katana*, *kodachi*, *ken*, and *yari*, the *ken* notably numerous because they served as *goshintai* and ritual implements rather than weapons of the warrior class; many blades keep their *ubu* nakago, with pronounced *koshizori* and *funbari* of archaic bearing. Yoshihiro's dated signatures give him a face among many anonymous hands, his manner the touchstone for *Soshu*-tinged mumei attributions; Nobuyoshi is carried to high standing by a single great signed *tachi* held as an imperial heritage; Sukemitsu is anchored by a dated reference *tachi* in the Tokyo National Museum. The bulk of the school's record is mumei, the attributions resting on construction, the flowing *masame*-inclined forging, and the bright *suguha* alone, and provenance runs through religious institutions such as Tanzan Shrine and Kyoo Gokoku-ji (To-ji), attesting to the school's monastic roots.

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