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順風満帆 junpū manpan Smooth Sailing

順風満帆 (junpū manpan), fair wind, full sail, is a Japanese word, a medieval proverb pressed into four characters. It is literal in a ship's log of 1873 and figurative in kanbun before 1880. This study follows it to a business cliché of the 1930s, the 広辞苑 of 1983, and the Chinese wish that runs the other way.

Japanese Scroll of Smooth Sailing (junpū manpan) — Calligraphy by Eri Takase
Smooth Sailing順風満帆junpū manpan

Original art by Master Calligrapher Eri Takase

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Abstract

順風満帆, junpū manpan, is Japanese, fair wind, full sail: the medieval proverb 順風に帆を上げる pressed into four characters, literal in ships' logs from 1873 and figurative in kanbun before 1880, a business-history cliché by the 1930s, and in the 広辞苑 only from 1983. The Chinese say the wish the other way round, 一帆風順. Its neighbor, the Chinese blessing 一路順風, is the same fair wind seen from the gangway.

Overview

The sense. Fair wind, full sail: the medieval proverb 順風に帆を上げる pressed into four characters. Oldest witness 1873, a warship's log printed in the government gazette. In the dictionaries from 1983 [1]. The same fair wind appears in the Chinese 一路順風, a fair wind the whole way, the blessing said to a traveler, which has its own history: one wind seen twice.

The words. 順風, the wind that blows the way you are going, is in the 続日本紀 for the year 700 and in the 史記's like shouting with the wind [2]. 満帆 is a sail filled to the full [2]. Both readings of 順風満帆 are old in print: a who's-who of 1917 glosses it じゆんふうまんほ, reading 帆 as ほ [3], and the dictionary's 1929 citation glosses it ジュンプウマンパン [1]. The dictionaries now rule manpan and call manpo wrong; in a 1980 NHK survey of informed people about five in ten answered manpan and three in ten manpo [1], and the open Japanese-English dictionary, JMdict, gives both [4].

The text in English. The open Japanese-English dictionary, JMdict, glosses 順風満帆 smooth sailing [4].

The historical record

Before 1880: the Japanese word. 順風満帆 is not Chinese. At Wikisource the only Chinese text with the four characters in sequence is one line of a Qing poet, the fair wind fills the sail's breadth, where the phrase breaks across the words; the Chinese idiom for the wish is 一帆風順, one sail, fair wind [5]. In Japan the word begins in ships' logs, meaning exactly what it says. The log of the warship 筑波, carrying Japan's ambassador to China, printed in the government gazette: on 15 April 1873, off Shandong, at 1:45 p.m. weighed anchor, fair wind, full sail; at 7:35 reached Chefoo and anchored. It is the oldest dated witness in both of the National Diet Library's full-text searches; the Library dates the volume 1876, the year the gazette closed [6]. A manuscript log a day out of San Francisco: morning southwest wind, afternoon northwest; fair wind, full sail spread; in the forenoon the wind unsettled and the ship rolled hard; in the afternoon she steadied, and went like an arrow [7]. A general's Pacific crossing, on Sunday 18 January 1885, printed in 1886: fair wind, full sail, as yesterday; 244 miles [8]. The figure appears first in kanbun, in the Tsu Confucian 土井聱牙, who died in 1880, in a charge to his schoolboys: once they have come in by the four gates he sets them, the 通鑑 for history, the 左傳 for the classics, the Su family for prose and 韓非 for the philosophers, and have read and reread until they can range over the whole library taking up whatever comes to hand, it is fair wind, full sail; the height of delight, the height of joy; those who know it know it, and those who do not, do not. His collected prose printed it in 1888 and again in 1892 [9]. Then in prose from 1894: a magazine's filled with fair wind and full sail, a sick man's letter of 1898 hoping for a fair-wind, full-sail recovery, a 1904 book on Japan itself under fair wind and full sail, with high hopes for the road ahead, a 1910 text on the world economy [10].

1929 to 1983: the cliché and the dictionary. The Library's count of books with the word goes from five in the 1910s to fourteen in the 1920s to ninety-six in the 1930s, and the books are company histories and regional who's-whos: a fair-wind, full-sail development, a fair-wind, full-sail season [11]. The dictionaries' first citation, a baseball history of 1929, sits in that genre [1]. The four-character dictionary says no pre-war dictionary has the word, and none of the 205 books the search finds is a dictionary; the 広辞苑 admitted it in 1983, and the four-character dictionary says it became general only after the war [1]. In print it is more than fifty years older than the dictionary's first citation, and more than a century older than the 広辞苑's entry.

The sense across time. 順風満帆 has two senses: the sailor's plain report, which is where it starts, though the dictionary's citation for it is the later one, 1953; and the figure, the dictionary's second sense, with the earlier citation, 1929. The Japanese word is the proverb's grammar removed: 順風に帆を上げる is something you do, 順風満帆 is a state you are in [12].

What is not a source. 順風満帆 is not Chinese: the Chinese say 一帆風順 [5]. It is not a proverb with a moral; it is a wish.

Today. 研究社 has he had exceedingly smooth sailing as a financier; the Tanaka corpus of example sentences has he is on a roll [4]. The Kodansha Kanji Dictionary (Halpern 2013), under 帆, gives 順風満帆 smooth sailing, sailing before the wind; JMdict gives sailing before the wind to 一路順風 instead, so the two glosses the open dictionary splits between the two words sit together under the Japanese one there [12].

A reading

順風満帆 is the wish for the voyage, fair wind, full sail, Japanese, a sailor's log entry before it was anyone's metaphor, and the Chinese say the wish the other way round. 聱牙's line is the best reading of it: the wind and the full sail are what reading feels like once the four gates are passed and the whole library is open, a joy that comes after the work. Its Chinese neighbor, 一路順風, is the wish at the gangway: the two are one wind seen twice.

References

  1. 「順風満帆」, 精選版日本国語大辞典・デジタル大辞泉・四字熟語を知る辞典, at kotobank. https://kotobank.jp/word/順風満帆
  2. 「順風」・「満帆」, 精選版日本国語大辞典・デジタル大辞泉・字通, at kotobank. https://kotobank.jp/word/順風 · https://kotobank.jp/word/満帆
  3. 小林儀三郎 編, 帝国菓業家列伝, 菓子新報社, 1917, scan 63. https://dl.ndl.go.jp/pid/950505/1/63
  4. JMdict (jisho, Weblio), 順風満帆; 研究社新和英中辞典, s.v. 順風; Tanaka corpus, at Weblio 英和・和英辞典. https://ejje.weblio.jp/content/順風満帆
  5. 査慎行 (1650–1727), 敬業堂詩集 卷1, 蕪湖關; the idiom 一帆風順 at 楹聯叢話 卷3 (1840) and the late-Qing novels, at zh.wikisource. https://zh.wikisource.org/wiki/敬業堂詩集_(四庫全書本)/卷01 · https://zh.wikisource.org/wiki/楹聯叢話/卷三
  6. 太政官日誌, the volume the National Diet Library labels 明治5年 第85–108号 and dates 1876; the 海軍省 report of the China squadron, dated 24 April and 14 May 1873, scans 179–181. https://dl.ndl.go.jp/pid/787663/1/181
  7. 石川鑑吉, 航海日誌 2巻 (manuscript), undated, scan 50. https://dl.ndl.go.jp/pid/2566783/1/50
  8. 野津道貫, 欧米巡回日誌 下, 1886, scan 145. https://dl.ndl.go.jp/pid/760964/1/145
  9. 土井聱牙, 聱牙斎存稿, 1888, at the National Diet Library Digital Collections full-text search, text layer only; 土井聱牙, 聱牙遺稿 巻9–12, 1892, 巻12, 課童生文, scans 117–118. https://dl.ndl.go.jp/pid/893656 · https://dl.ndl.go.jp/pid/893651/1/118
  10. 薇陽, 1894, scan 13 (its text layer); 永野武三郎, 用無遺稿, 1900 (a letter of 1898), scan 132 (its text layer); 高瀬花陵, 北清見聞録, 1904, scan 84; 大西猪之介, 帝国主義論, 1910, scan 234. https://dl.ndl.go.jp/pid/813329/1/13 · https://dl.ndl.go.jp/pid/872714/1/132 · https://dl.ndl.go.jp/pid/774469/1/84 · https://dl.ndl.go.jp/pid/993483/1/234
  11. National Diet Library next-generation full-text search on 順風満帆, searched again 26 September 2026: 205 books to about 1949, counted by decade. https://lab.ndl.go.jp/dl/api/book/search?searchfield=contentonly&keyword=順風満帆
  12. The Kodansha Kanji Dictionary, Jack Halpern, Kodansha, 2013, s.v. 帆.

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; some resolve; several resolve but differ; a couple do not resolve; the rest not openable; the leaves re-opened by hand at the catalogue's change history, the working folder and the books held here — several were found the same day, one the day after, and one among the page images held here; one witness added from a book held here (Halpern 2013); one note in the check corrected (the 340 tag was a mix-up); citations of the s62/s96 grouped draft, not re-run on the s327 amendment

Cite as: Tim Jackowski and Ten, "Philology of 順風満帆 (junpū manpan)," Takase Studios, 2026, https://takase.com/library/philology/junpu-manpan.