Buddhist temples in Japan

• 1. Introduction

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  Buddhist temples in Japan are, alongside Shinto shrines, the most numerous and important religious buildings in the country. Visitors who walk through the gate of a place like Kiyomizu-dera or Enryaku-ji are stepping into a tradition that stretches back to the 6th century, when Buddhism first arrived on these islands. Yet the word for the institution itself carries a mystery. The Japanese term for a Buddhist temple shares roots with words in Middle Korean, the language of the Jurchen people, and even with an Aramaic word meaning "to live together." How a word from the ancient Middle East came to name the sacred spaces of Japan is just one of the questions this documentary will explore. Others include why temples and Shinto shrines are so difficult to tell apart, how geomancy shaped the placement of entire cities, and what a 19th-century law did to centuries of shared religious heritage.

• 2. A Word From Aramaic

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  The Japanese word for a Buddhist temple, tera, was once also written phonetically as the characters for "heavenly good." Its connections extend far beyond Japan. The word is cognate with the Modern Korean Chol, traceable in turn to Middle Korean Tiel. It appears in the Jurchen language as Taira and in reconstructed Old Chinese as something close to dɘiaʁ. All of these words share the meaning of Buddhist monastery. Scholars believe the root lies in the Aramaic dairā, drawn from the verb meaning "to live together," rather than from the Indian word vihara, which is an entirely separate origin. The most likely pathway for this transmission runs through the first Central Asian translators of Buddhist scriptures, figures such as An Shigao and Lokaksema, who carried not just texts but vocabulary across thousands of miles. This linguistic trail is a reminder that Japanese Buddhism was never an isolated development; it arrived as part of a vast transcontinental network of ideas, people, and words.

• 3. Temples and Shrines Entwined

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  Enryaku-ji sits atop Mount Hiei, placed deliberately to the north-east of Kyoto to protect the city from evil spirits according to Chinese geomantic theory. Eight centuries after that founding, the Tokugawa shogunate repeated the same logic when it built Kan'ei-ji to the north-east of Edo Castle, even borrowing a character from the name Hiei-zan to signal the echo. The shared positioning reflects a deeper entanglement: for most of Japanese history, Buddhist temples and Shinto shrines were not separate institutions but interwoven ones. It was normal for a temple to have been a shrine at some earlier point. Many visitors to both types of building come for the same reasons, prayer and the pursuit of luck, and they encounter many of the same physical features. Both the torii gate and the belltower called a shoro appear at either type of complex. Shrines took from Buddhism their gates, their halls for lay worshipers, and the use of vermilion-colored wood. Buddhist architecture in turn adapted to Japanese tastes with more asymmetrical layouts, greater use of natural materials, and a sensitivity to the existing landscape. When Buddhism arrived in the 6th century, the local shrines dedicated to kami had consisted mainly of demarcated open land or temporary structures erected only when needed. Buddhism introduced the concept of permanent buildings, and those early Shinto shrines adopted both the idea and the architectural forms.

• 4. The Forced Separation

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  Tsurugaoka Hachiman-gu in Kamakura is now a Shinto shrine, but before 1868 it was also a Buddhist temple and one of the oldest religious sites in the city. Its original location was chosen by consulting a diviner, who identified it as propitious because a mountain stood to the north, a river called the Namerikawa ran to the east, a great road lay to the west, and the site opened southward onto Sagami Bay. Each cardinal direction was assigned a protective deity: Genbu to the north, Seiryu to the east, Byakko to the west, and Suzaku to the south. The willows planted near the ponds represented Seiryu; the catalpas beside what is now the Museum of Modern Art represented Byakko. The shinbutsu bunri law of 1868 shattered this arrangement. That law mandated the separation of kami worship from Buddhism, forcing many mixed shrine-temple complexes to choose one identity. Famous sites including Usa Hachiman-gu and Tsurugaoka Hachiman-gu were reclassified as Shinto shrines. At Tsurugaoka Hachiman-gu, a pair of giant wooden Nio guardian statues that had flanked the entrance were declared illegal objects of Buddhist worship and were sold to the temple Jufuku-ji, where they remain today. Buddhism-related buildings at the site were demolished, including its tahoto pagoda, its mido, and its full seven-hall garan complex. The Meiji era eliminated most of these mixed jinguji complexes, though many temples still retain at least a small shrine on their premises.

• 5. Wood, Roof, and Bracket

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  Horyuji was one of the first Buddhist temples built in Japan, and its primary structures reflect the style of 6th-century Sui dynasty China. Its Kondo, or Golden Hall, is a double-roofed structure supported by thick pillars. What makes it remarkable is what it represents architecturally: the building styles of all six Chinese dynasties eventually found expression in Japan, brought over with such consistency across the centuries that the full range of Chinese architectural history is present on Japanese soil. The universal starting point for all of these styles is the choice of materials. Wood is used for almost every structure, in forms ranging from planks to straw to tree bark. Stone appears only for specific purposes such as temple podia and pagoda foundations, unlike Western architecture or some Chinese traditions where stone is standard. The roof is the most visually commanding element, often comprising half the total size of a building. Its eaves extend far past the walls to cover verandas, and the weight of those overhanging eaves requires elaborate bracket systems called tokyo to carry the load. The resulting interior is characteristic in its dimness, a quality that contributes to the atmosphere of the space. Interior walls are paper-thin and often movable, so a single large central room called the moya can be reconfigured by screens, and in some temples entire walls can be removed to open the building outward. This permeability between inside and outside was not incidental. Structures were intentionally made part of their natural environment.

• 6. Four Architectural Styles

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  The four great temples of the 7th century, Asukadera, Kudara Odera, Kawaradera, and Yakushiji, each represent a different stage in the development of temple design. Asukadera, founded by Soga no Umako, was the first full-scale temple built in Japan and the most significant structure of the Asuka period. Kudara Odera featured a nine-story pagoda, one of the most ambitious structures of early Japanese Buddhism. Kawaradera was notable for an asymmetrical plan with two golden halls, a pagoda, and separate residential quarters for monks, an innovative arrangement for its time. Out of these early foundations, four distinct architectural styles eventually emerged. The Wayo style developed during the Heian period under the esoteric Tendai and Shingon sects, drawing on Chinese architecture but emphasizing simplicity, plain materials, and natural timber. The Daibutsyo style, introduced by the priest Chogen and based on Song dynasty architecture, was its direct opposite: grandiose and monumental. The only surviving examples are the Nandaimon at Todai-ji and the Amida Hall at Jodo-ji. The Zenshūyo style, named for the Zen sect that created it, is identifiable by its earthen floors, curved pent roofs called mokoshi, cusped bell-shaped windows known as katōmado, and paneled doors. Its main hall appears to have two stories but actually has only one, the illusion created by the covered pent roof. The Setchūyo style, born during the Muromachi period, blended elements from all three preceding styles and is exemplified by the main hall at Kakurin-ji.

• 7. Naming the Sacred Mountain

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  Every Buddhist temple in Japan carries a name built from up to three components, and the first of these, the sangō or mountain name, reveals something unexpected. Even temples situated in a valley or on flat ground are metaphorically called mountains. The tradition traces back to the era when temples were primarily monasteries built in remote highland locations, and the founding of a new temple is still called by a term that carries this mountain meaning. Enryaku-ji's full designation, Hieizan Enryaku-ji, translates roughly as "Mount Hiei's Enryaku-ji." In some cases the mountain name and the temple name share a deeper semantic relationship. Rurikōzan Yakushi-ji is one example where both names refer to the same deity. The second component, the ingō, originally indicated an enclosure or cloister. Kawagoe's Kita-in was once one of three subtemples of a larger temple that no longer exists; through chance it became prominent while its parent institution vanished. The third and most commonly used component is the jigō, ending in the character ji, which is the name most people actually use. The character can be pronounced dera or dera when the preceding name uses native Japanese readings, as in Kiyomizu-dera. Temples are sometimes also known by unofficial popular names tied to local geography or a distinctive feature. Kyoto's Saihō-ji is widely called Koke-dera, meaning "moss temple," after its celebrated moss garden, a name that has outlasted many more formal designations.