# Sea of Characters (Wenhai)
**Sea of Characters** (文海) is dated by scholars to roughly the 12th century.[1](http://www.ccamc.org/tangut_wenhai.php) A damaged printed copy was unearthed at the ruined city of [Khara-Khoto](https://www.edgepedia.org/khara-khoto) (黑水城) in what is now Ejin Banner, Inner Mongolia, and the work is now a central source for the study of the Tangut language, script, and society.[1](http://www.ccamc.org/tangut_wenhai.php) • [2](https://www.freedefine.cn/wenzhan/72841.html)
The name is a homonym of a person in [Yuan dynasty](https://www.edgepedia.org/yuan-dynasty) history: the *History of Yuan* (《元史》) records that the official Cheng Jufu (程巨夫) was personally named Wenhai but was known by his courtesy name to avoid the taboo on the temple name of Emperor Wuzong (武宗).[3](https://zh.wikisource.org/wiki/元史/卷172) That passage concerns the man, not the dictionary.
| Fact | Detail |
|---|---|
| Date of compilation | Approximately the 12th century (scholarly estimate; no original record)[1](http://www.ccamc.org/tangut_wenhai.php) |
| Extent of the surviving copy | 109 pages, over 3,000 character entries; the rising-tone section is entirely lost[1](http://www.ccamc.org/tangut_wenhai.php) |
| Rising-tone rhymes | 86 according to the related dictionary *Wenhai Baoyun*; another source says 88 (disputed)[1](http://www.ccamc.org/tangut_wenhai.php) • [4](http://www.chinaknowledge.de/Literature/Science/wenhai.html) |
| Excavation | Khara-Khoto (黑水城), 1908 or 1909 (sources disagree)[1](http://www.ccamc.org/tangut_wenhai.php) • [5](https://www.guoxuedashi.com/lishi/11127x/) |
## The excavated copy and its transmission
The work is known from a damaged woodblock print in butterfly binding (蝴蝶装), excavated at the Khara-Khoto site in Ejin Banner, Inner Mongolia. Sources date the excavation to 1909[1](http://www.ccamc.org/tangut_wenhai.php) or to 1908.[5](https://www.guoxuedashi.com/lishi/11127x/) The rising-tone section is entirely lost, and parts of the level-tone and miscellaneous sections are missing; what remains runs to 109 pages and more than 3,000 entries.[1](http://www.ccamc.org/tangut_wenhai.php) The fragment is held at the [Institute of Oriental Manuscripts of the Russian Academy of Sciences](https://www.edgepedia.org/institute-of-oriental-manuscripts-of-the-russian-academy-of-sciences) in St Petersburg, the successor to collections once described as held "in the Soviet Union".[5](https://www.guoxuedashi.com/lishi/11127x/) • [2](https://www.freedefine.cn/wenzhan/72841.html) A facsimile edition has been published by the China Social Sciences Press (中国社会科学出版社).[5](https://www.guoxuedashi.com/lishi/11127x/)
The foundational modern study is *Wenhai Yanjiu* (文海研究, "Study of the Sea of Characters"), by Shi Jinbo (史金波) and colleagues, published in Beijing in 1983; an electronic transcription of the woodblock edition has been built on that study, and it records copyist errors in the print, such as a fanqie (traditional Chinese spelling method noting pronunciation via two characters) note that wrongly counts three characters where a homophone group contains two.[6](https://babelstone.co.uk/Tangut/Wenhai.html)
## Political influence
Its documented influence is on scholarship: because each entry glosses both the construction and the meaning of a Tangut character, the dictionary preserves information about how the Tanguts analyzed their own script, and it serves as evidence for Tangut phonology through its fanqie spellings and rhyme organization.[1](http://www.ccamc.org/tangut_wenhai.php) Chinese reference works describe it as a source of great importance for the study of the Tangut language, script, and social history.[2](https://www.freedefine.cn/wenzhan/72841.html)
## References
1. 《文海》条目, 古今文字集成 (ccamc.org), http://www.ccamc.org/tangut_wenhai.php
2. 《文海》, 历史百科网, https://www.freedefine.cn/wenzhan/72841.html
3. 《元史》卷一百七十二, Wikisource transcription, https://zh.wikisource.org/wiki/元史/卷172
4. "Wenhai 文海", Chinaknowledge.de, http://www.chinaknowledge.de/Literature/Science/wenhai.html
5. 《文海》百科条目, 国学大师, https://www.guoxuedashi.com/lishi/11127x/
6. "Sea of Characters", Babelstone (electronic edition based on Shi Jinbo et al., *Wenhai Yanjiu*, 1983), https://babelstone.co.uk/Tangut/Wenhai.html
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*Topic: Encyclopedia › Society and history › History and archaeology › Asian history › China › Liao, Western Xia, and Jin (916 to 1234) › Western Xia and Tanguts*
*Initially written Sep 23, 2026 · Edited: Oct 11, 2026; Oct 15, 2026*
*Copyright 2026 EdgeChat AI, a subsidiary of Biostate AI.*
License: Edgepedia Community License 1.0, https://www.edgepedia.org/edgepedia/license