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| Kōjien | |
|---|---|
| Name | Kōjien |
| Native name | 広辞苑 |
| Type | Japanese single-volume dictionary |
| Publisher | Iwanami Shoten |
| First published | 1955 |
| Latest edition | 7th edition (2018) |
| Language | Japanese |
| Media type | print, digital |
Kōjien is a comprehensive single-volume Japanese dictionary published by Iwanami Shoten that has become a standard reference in Japan since its first edition. Widely used by scholars, journalists, writers, and students, it is noted for its descriptive entries, historical citations, and usage notes, and has influenced lexicography and publishing practices across East Asia, North America, and Europe.
The origins of the dictionary date to editorial projects at Iwanami Shoten in the mid-20th century, led by editorial figures who engaged with scholars from Tokyo Imperial University, Kyoto University, and the National Diet Library. Early planning involved correspondence with lexicographers familiar with projects like the Oxford English Dictionary, the Dictionnaire de l'Académie française, and the Deutsches Wörterbuch, and debates among committees associated with Waseda University and Keio University. The first edition emerged amid postwar cultural reconstruction alongside publications such as Shin Nihon Koten Bungaku Taikei, and it quickly entered libraries such as the National Diet Library and university collections at University of Tokyo and Osaka University. Subsequent developments intersected with technological shifts in printing pioneered by firms like Toppan Printing and distribution networks including Kinokuniya and Maruzen.
Major editions were prepared by editorial teams comprising academics from Tokyo University, Kyoto University, Hitsuji Institute, and specialists linked to institutions like the Japan Academy and the Agency for Cultural Affairs (Japan). The second edition responded to lexical changes observed during the Shōwa period and the third edition addressed terminological expansion after the Tokyo Olympics (1964). Later revisions reflected influences from global events such as the Cold War, the Plaza Accord, and the Great Hanshin earthquake, prompting entries on economics, diplomacy, and disaster response. The sixth edition incorporated new entries informed by scholars from Rikkyo University, Sophia University, and research at the National Institute for Japanese Language and Linguistics. The seventh edition, prepared under editorial direction linked to Iwanami Shoten and contributions from editors associated with Keio University, Meiji University, and the University of Tsukuba, expanded coverage of technology, culture, and popular media such as anime and manga.
Editorial policy has balanced prescriptive and descriptive approaches, with advisory input from academies including the Japan Academy and committees with scholars from Kyoto University and Hitotsubashi University. Lexicographic decisions drew on models established by the Oxford English Dictionary, the Merriam-Webster, and national projects like the Dictionary of American Regional English, while engaging with issues confronted by the Agency for Cultural Affairs (Japan) and language planning debates at Waseda University. Policies on inclusion of neologisms, loanwords from English language, Chinese language, Portuguese language, and entries for entities such as Nintendo, Sony Corporation, Toyota Motor Corporation, and cultural figures like Natsume Sōseki, Murasaki Shikibu, and Ikkyū reflect negotiation among editors from Iwanami Shoten, academicians from Osaka University, and commentators at newspapers like the Asahi Shimbun and the Yomiuri Shimbun.
Entries combine definitions, historical usages citing works like The Tale of Genji, Kojiki, and modern newspapers such as the Mainichi Shimbun, with cross-references to personalities including Oda Nobunaga, Tokugawa Ieyasu, and Emperor Meiji. The dictionary documents terminology across fields touching on Nihon Shoki, Buddhism in Japan as represented by figures like Kūkai and Saichō, scientific terms referencing milestones like the Meiji Restoration era modernization efforts embodied by institutions such as Tokyo Imperial University, and names from literature including Ryūnosuke Akutagawa, Jun'ichirō Tanizaki, and Yasunari Kawabata. Practical features include etymologies tracing borrowings from Dutch East India Company, Portuguese Empire, and modern United States sources, orthography notes related to reforms after the 1946 Japanese orthography reform, and usage examples derived from corpora developed at the National Institute for Japanese Language and Linguistics.
The work has been reviewed and debated in outlets from the Asahi Shimbun to academic journals at University of Tokyo Press, and has influenced public discourse alongside publications by Kodansha and Shogakukan. It has been invoked in controversies when entries touched on figures like Emperor Hirohito or corporations such as Toshiba, prompting commentary from scholars at Kyoto University and public intellectuals affiliated with Waseda University. The dictionary’s authority affected editorial standards at newspapers including the Yomiuri Shimbun and broadcast media like NHK, and its name recognition generated cultural references in novels by Haruki Murakami and essays by Kenzaburō Ōe.
Kōjien shaped curricula at institutions such as University of Tokyo, Keio University, and Hitotsubashi University by serving as a reference for courses on modern Japanese language, classical literature taught with texts like The Tale of Genji, and lexicography seminars at the National Institute for Japanese Language and Linguistics. Its editorial practices influenced rival dictionaries published by Kodansha and Sanseido and informed digital dictionary initiatives by companies like Yahoo! Japan and Rakuten. Libraries at Keio University and the National Diet Library have maintained copies as reference works, while publishers including Iwanami Shoten leveraged the dictionary’s prestige to expand into encyclopedic projects and academic series associated with the Japan Academy.
Category:Japanese dictionaries Category:Iwanami Shoten publications