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Devri is an online diachronic and etymological dictionary for Breton, launched by Martial Menard in spring 2016 and later developed further under the guidance of Herve Le Bihan. It is not an online course platform in the conventional sense. Instead, it organizes materials in the form of a historical dictionary: each entry presents records of the word across different periods, original spellings, source abbreviations, page numbers, or line numbers in poems.
Its core value lies in letting users “see the written history of a word in chronological order.” Entries are subdivided by grammatical usage and use examples from old to modern sources to illustrate original meanings, extended meanings, expressions, and proverbs. The site also categorizes materials by historical stages of Breton, such as Old Breton, Middle Breton, and Modern Breton. The main text states that the dictionary has reached 69334 entries and continues to add new words, colloquial examples, place names, mountain names, hydronyms, and etymological notes.
The text does not mention any fees, subscriptions, or certificates. On the contrary, it clearly states that Devri is run on a volunteer basis, receives no subsidies, and is supported logistically by Kuzul ar Brezhoneg. It can therefore be regarded as a free and open academic language resource, but it does not provide course certification.
Its strengths are its dense data, rigorous sourcing, and preservation of original spellings, making it suitable for academic verification, translation cross-checking, and historical linguistic research. The founder and subsequent lead editor also have backgrounds in Breton lexicography. Its drawbacks are that the learning experience is not course-based: there is no clear learning path, exercises, video instruction, or quizzes. The interface and explanations are mainly in French, so Chinese users will need some French ability or a relevant linguistics background.
Devri is suitable for Breton researchers, students of Celtic languages, translators, lexicographers, and advanced learners who want to trace the historical usage of words. It is less suitable for complete beginners who want to start with pronunciation and everyday conversation. The source text does not provide information on access from mainland China, so this would need to be tested in practice; for now, it should be considered unknown.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on devri.fr official site.
devri.fr is an France Education provider. TG4G tracks its product information, an overall rating of 5.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach devri.fr directly.