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適者生存 tekisha seizon Survival of the Fittest

適者生存 (tekisha seizon) is the Japanese word for survival of the fittest. The English phrase is Herbert Spencer's of 1864, though it is commonly called Darwin's. This study follows the Japanese through three forms in three years to the one of 1883, and into Chinese by 1899.

Japanese Scroll of Survival of the Fittest (tekisha seizon) — Calligraphy by Eri Takase
Survival of the Fittest適者生存tekisha seizon

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Abstract

適者生存, tekisha seizon, is the Japanese word for survival of the fittest. The English phrase is commonly called Darwin's; it is Herbert Spencer's, coined in 1864, taken up by Darwin in 1868 and into the Origin in 1869 as more accurate than his own natural selection. The Japanese word tried three forms in three years: the fit species in 1881, the fittest in 1882, and the fit one in 1883, which is the form the language kept. It was in Chinese by 1899.

Overview

The sense. 適者 is the one that fits: 適 means suited to, and nothing in it means strong. 生存 is to stay alive. Together, in the dictionary's words, in the struggle for existence, only what is best suited to its surroundings survives and leaves descendants [1].

The words. Every word in the phrase's family is Meiji: 生存競争 (the struggle for existence), 自然淘汰 (natural selection) and 優勝劣敗 (the superior win, the inferior lose) were all made between about 1879 and 1882 [1].

The text in English. The bilingual dictionaries carried the English phrase from 1882, first as the fit species and as 優勝劣敗, Katō Hiroyuki's motto, and gave it the word on the scroll from 1889.

The historical record

1864 to 1869. Spencer's phrase, Darwin's adoption. Spencer wrote it in The Principles of Biology, in a chapter that tried to restate Darwin in mechanical terms: those will survive whose functions happen to be most nearly in equilibrium with the modified aggregate of external forces. But this survival of the fittest implies multiplication of the fittest. His own footnote, added later, says the expression was here used for the first time. Alfred Russel Wallace wrote to Darwin on 2 July 1866 that readers stumbled on natural selection, as if Nature chose, and urged him to adopt Spencer's term … viz. "Survival of the fittest." Darwin did, first in print in 1868: This preservation, during the battle for life, of varieties which possess any advantage … I have called Natural Selection; and Mr. Herbert Spencer has well expressed the same idea by the Survival of the Fittest. The term "natural selection" is in some respects a bad one, as it seems to imply conscious choice. In the Origin it enters with the fifth edition of 1869: the expression often used by Mr. Herbert Spencer of the Survival of the Fittest is more accurate, and is sometimes equally convenient, and he retitled his chapter Natural Selection; or the Survival of the Fittest. It is commonly called Darwin's. It is Spencer's, which Darwin borrowed and said so [2][3].

1881. The fit species. The first Japanese rendering is in the philosophical vocabulary compiled at Tokyo University in 1881: Survival of the fittest, 適種生存, tagged as biology. The second character is species: the fit species survive. The 1884 second edition keeps it [4]. It was the common form of the first years: a law journal states 適種生存ノ法 in December 1881, and the 1882 edition of the English-Japanese dictionary 英和字彙 gives Survival of the fittest. 適種生存 [5].

1882. The fittest. A year later the superlative is in print: a law journal writes of 最適者生存ノ眞理, the truth of the survival of the fittest, in March 1882, and in April a political magazine urges the so-called principle of the survival of the fittest, 所謂ル最適者生存主義, for a free press. 最 is most: this is the English superlative rendered word for word, and it came before the form on the scroll [6].

1883. The fit one. The zoologist Ishikawa Chiyomatsu had heard Edward S. Morse lecture on Darwin at Tokyo University in 1877–79. In 1883 he published the lectures, and opened them: since Darwin's book on the origin of species came out it has swept the world, and those who study the principles of the struggle for existence and the survival of the fittest come one on the heels of another, in Europe and America and among our own scholars too. This is the word in the form that won, and its oldest witness in the National Diet Library's full-text search, which reaches its books and journals to the present. Against 1881 one character changed, the fit one for the fit species; against 1882 the superlative is gone [7].

1884. Spencer himself, in Japanese. A translation of Spencer's Political Institutions, with a preface by Fukuzawa, has the sentence and the word on one page: organisms of one kind compete with each other, the fit survive and the unfit perish … if the great way of the survival of the fittest and the struggle for existence were not in this universe, no living power would develop at all. Later in the book the word does Spencer's social work: by the principle of survival of the fittest, only the races suited to despotism will survive under it. The book whose controversy spread the phrase's three sisters, Katō Hiroyuki's 人権新説 of 1882, with 優勝劣敗是天理矣 on its title page, does not use this one at all [8][9].

1886–1906. The spread, and the rival. By 1886 a professor was explaining why old plays survive by the principle of survival of the fittest; by 1888 a satirist applied it to temperance societies. The superlative did not go away: both Meiji translations of the Origin, in 1896 and 1905, use 最適者生存 for Darwin's own sentence, and the fit species stayed in the Japanese dictionaries into the 1890s. The count in the Library's full-text index of its public-domain books settles which form the language kept: 2,739 books for 適者生存, 35 for the superlative. In that index the word's curve runs from fourteen books in the 1880s to a peak of 734 in the 1920s, and three times as many of them are in the social sciences as in the natural [10].

1898–1929. China, from Japan. Yan Fu's Chinese version of Huxley in 1898, the book that carried evolution to a generation of Chinese readers, does not use the four characters: its phrase is things compete, heaven selects, and its fit are the most suitable. The four characters are in Chinese by September 1899: Chen Liwei quotes a note Liang Qichao, in exile in Japan, added to an essay in his Yokohama paper, Yan Fu translates 物競天擇，適者生存; Japan translates 生存競争，優勝劣敗. The credit to Yan Fu is mistaken, Chen shows: Yan Fu's book has only 物競天擇, and 適者生存 is the Japanese word [9]. In 1901 Liang's life of Li Hongzhang has things compete, heaven selects, the fit survive; a Tokyo Japanese-Chinese dictionary defines it for Chinese students in 1908; by 1924 it is Sun Yat-sen's, asking whether the Chinese are the fit or the unfit; and in a talk of 1929 Hu Shih said that his own name came from it: 我自己的名字也起于‘适者生存’的话. The word was made in Japan and went west [11][12].

The sense across time. The word has meant one thing in every use: the surroundings decide who lives. What moved was the size of the thing that fits. A species in 1881; an individual in 1883; a race in 1884, in Spencer's own Japanese; a nation by 1924, in Chinese. Darwin's reason for adopting it, that it says less than selection, with its hint of a selector, is the reason it has been so easy to carry from biology into everything else. A geology dictionary also records the standing objection, that the fit survive and the survivors are the fit is a circle, and the standard answer, that this is a matter of wording [1].

What is not a source. Not Darwin's coinage: Spencer's, in 1864, which Darwin took up four years later. Not the strong survive: 適 is suited, and the phrase is not 弱肉強食, the strong eat the weak. Not Chinese: the four-character form went from Japan into Chinese, not the other way. Not 加藤弘之's: the father of Japanese social Darwinism used the phrase's sisters and not this one. Not Yan Fu's either, though Liang Qichao credited it to him in 1899.

The word in English

1882 to 1925. The English phrase entered the bilingual dictionaries before the scroll's word did. The 1882 English-Japanese 英和字彙 renders it 適種生存, the fit species. Hepburn's Japanese-English dictionary of 1886 gives it as the English of Katō's motto, Yūshō-reppai 優勝劣敗 n. The survival of the fittest, and lists yusho-reppai, tekishuseison under Survival in its English index; Chamberlain's handbook of 1888 glosses tekishu-seizon the same way; Brinkley's dictionary of 1896 still has the English only under 優勝劣敗. The form on the scroll reached an English-Japanese dictionary in 1889, Survival of the fittest. 適者生存 (明治英和字典), and became a Japanese-English headword by 1909, Tekisha-seizon 適者生存 n. Survival of the fittest, where Hepburn's and Brinkley's have none; a 1909 idiom dictionary still gives both Japanese forms, the fit one and the fit species; a 1918 English-Japanese dictionary pairs it with Katō's motto, 適者生存、優勝劣敗; a 1925 dictionary of words born from English spells it out in katakana [13][14].

Today. The English the scroll is sold under is the one every dictionary gives from 1909 on.

A reading

This is Spencer's phrase in Ishikawa's Japanese. Spencer coined it and Darwin borrowed it, and the Japanese story is the better one: a vocabulary that made the fit a species, journals that made them the fittest a year later, a zoologist who made it a person from lectures he had sat through, a superlative that the Darwin translators still preferred and lost, and a word that went on to China, where a philosopher took his name from it. 適 is suited, not strongest. The form that won is the form the language kept.

References

  1. 「適者生存」・「生存競争」・「自然淘汰」・「優勝劣敗」, 精選版日本国語大辞典・デジタル大辞泉・最新地学事典, at kotobank. https://kotobank.jp/word/適者生存
  2. Herbert Spencer, The Principles of Biology, vol. I, Part III ch. XII, 1864 (1898 revised text), § 164–165, at en.wikisource; Charles Darwin, On the Origin of Species, 5th ed., 1869, ch. III–IV, at Darwin Online. https://darwin-online.org.uk/content/frameset?itemID=F387&viewtype=text&pageseq=1
  3. Charles Darwin, The Variation of Animals and Plants under Domestication, vol. I, 1868, Introduction, at Darwin Online; A. R. Wallace to Charles Darwin, 2 July 1866, Darwin Correspondence Project, DCP-LETT-5140. https://darwin-online.org.uk/content/frameset?itemID=F877.1&viewtype=text&pageseq=1 · https://www.darwinproject.ac.uk/letter/DCP-LETT-5140.xml
  4. 哲学字彙, 井上哲次郎 et al., Tokyo University, 1881, scan 47; 2nd ed., 1884, scan 68. https://dl.ndl.go.jp/pid/752942/1/47 · https://dl.ndl.go.jp/pid/994560/1/68
  5. 明法志林 (December 1881), at NDL Digital full-text search (snippet; images closed outside Japan); 柴田昌吉・子安峻, 英和字彙, 2nd ed., 1882, scan 512. https://dl.ndl.go.jp/pid/1583857 · https://dl.ndl.go.jp/pid/870057/1/512
  6. 明法志林 (March and April 1882) and 東京輿論新誌 (April 1882), at NDL Digital full-text search (snippets; images closed outside Japan). https://dl.ndl.go.jp/pid/1583863 · https://dl.ndl.go.jp/pid/1583865 · https://dl.ndl.go.jp/pid/1572623
  7. 石川千代松 (trans.), 動物進化論 (from Edward S. Morse's lectures, 1877–79), 1883, scan 2. https://dl.ndl.go.jp/pid/832826/1/2
  8. 濱野定四郎・渡邊治 (trans.), 政法哲学 (Herbert Spencer, Political Institutions), 1884, scan 19 and scan 142; 加藤弘之, 人権新説, 1882, National Diet Library Digital Collections (no occurrence). https://dl.ndl.go.jp/pid/783387/1/19 · https://dl.ndl.go.jp/pid/783387/1/142
  9. 陳力衛, 「優勝劣敗, 適者生存」: 進化論の中国流布に寄与する日本漢語, 成城・経済研究 210 (2015), pp. 247–271, quoting 清議報 no. 30 (1899). https://seijo.repo.nii.ac.jp/records/3720
  10. 外山正一, 演劇改良論私考, 1886, scan 28; 鈴木力 (天眼), 独尊子, 1888, scan 99 and scan 103; 立花銑三郎 (trans.), 生物始源, 1896, scan 105; 種之起原, 開成館, 1905, scan 120; 加藤弘之, 自然界の矛盾と進化, 1906, scan 85 and scan 162; 山田美妙, 日本大辞書, 1893, and 藤井乙男・草野清民, 帝国大辞典, 1896, each giving 適種生存 as a synonym. https://dl.ndl.go.jp/pid/992443/1/28 · https://dl.ndl.go.jp/pid/887483/1/99
  11. 嚴復 (trans.), 天演論 (Thomas Huxley), 1898, at zh.wikisource; 東中大辞典, Tokyo, 1908, scan 665; 孫文, 三民主義, 民族主義第三講, 1924. https://dl.ndl.go.jp/pid/1087757/1/665
  12. 梁啓超, 李鴻章 (中國四十年來大事記), 1901, ch. 4, at zh.wikisource; 胡適, 從思想上看中國問題, 1929, at zh.wikisource.
  13. 佐久間信恭・広瀬雄, 和英大辞林, 1909, scan 754; 神田乃武・南日恒太郎, 英和双解熟語大辞典, 1909, scan 752; 齊藤秀三郎, 熟語本位英和中辭典, 1918, scan 673; 英語から生れた現代語の辭典, 1925, scan 290. https://dl.ndl.go.jp/pid/870204/1/754 · https://dl.ndl.go.jp/pid/990169/1/752 · https://dl.ndl.go.jp/pid/1681530/1/673 · https://dl.ndl.go.jp/pid/1900269/1/290
  14. J. C. Hepburn, A Japanese-English and English-Japanese Dictionary, 3rd ed., 1886 (1888 printing), p. 759 and the English index under Survival; B. H. Chamberlain, A Handbook of Colloquial Japanese, 1888, notes to the reading on evolution; F. Brinkley, An Unabridged Japanese-English Dictionary, 1896, under Yūshō-reppai; 尺振八, 明治英和字典, 1889, scan 53. https://archive.org/details/japaneseenglishe00hepbuoft · https://dl.ndl.go.jp/pid/870184/1/53

Authors

Tim Jackowski (Systems Architect, Takase Studios, LLC) · 典 Ten (Anthropic Claude Fable 5.1, Takase Studios, LLC)

AI written · Ten wrote the history. Tim Jackowski commissioned it and answers for it.

Checked · Claude Sonnet (Anthropic), 2026-09-15, citations — every claim tested at its address; most verbatim; nothing found to differ; a couple do not resolve at the address written, both address slips, now corrected; the rest not openable, most re-opened by hand at the Lab's page text and verbatim

Cite as: Tim Jackowski and Ten, "Philology of 適者生存 (tekisha seizon)," Takase Studios, 2026, https://takase.com/library/philology/tekisha-seizon.