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Tày language

Tai language of Vietnam

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJun 9, 2026
Entity authorityQ2511476
Source-derived summary

Tày is the major Tai language of Vietnam, spoken by more than a million Tày people in Northeastern Vietnam. It was formerly known as Thổ, a name now shared with the Cuối language.

Distribution

Vietnam: northern provinces (including Cao Bang Province and Quang Ninh Province)

Laos: northern region.

Tày is also spoken by emigrants in the Central highlands region of Vietnam (such as in Lam Dong Province).

There are also some Tày speakers in western countries. The region of Vietnam where Tày is spoken is bordered by China.

Varieties

Tày linguistic varieties include the following:

Tày Bảo Lạc – spoken in Bảo Lạc District, western Cao Bang province.

Tày Trùng Khánh – spoken in Trùng Khánh District, northeastern Cao Bang province.

Thu Lao or Dai Zhuang varieties are considered to be a different language.

Phonology

Consonants

The Cao Bẳng Tày dialect is the only variety to have the sounds /j w r ɣ b d bʲ/.

Editorial summary

“Tày language” enters the record as tai language of Vietnam. Crown Archives preserves that source wording while asking what language and Vietnam can confirm, complicate or overturn.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current 156-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. Its strongest next move is a source search built around language and Vietnam.
Editorial analysis

Why this record matters

“Tày language” is worth following because a concise public description often conceals a longer documentary argument. Here, language and Vietnam provides the most credible route into that argument.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jun 9, 2026. The linked authority identifier is Q2511476. None of the 0 selected statements returned an explicit reference.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Tày language”, its source revision and the description used here.
  2. Expand the search: follow Tày language primary sources, Tày language archive and language research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Tày language”?
  2. Which cited source is closest to the event, object or claim?
  3. Which institution is responsible for the underlying evidence?
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Source & attribution

This entry incorporates text from Tày language” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.