Chiangmai Sign Language


A language of Thailand

Alternate Names
Chiengmai Sign Language, OCMSL, Old Chiang Mai Sign Language, Old Chiangmai Sign Language, Original Chiang Mai Sign Language, Original Chiangmai Sign Language

19 (Woodward and Wongchai 2015), decreasing. 19 is an estimated maximum.


Chiang Mai province: Scattered.

Language Maps
Language Status

8a (Moribund).


None known. Based on lexical comparisons, is related to Original Bangkok Sign Language (no ISO code) and to Haiphong Sign Language [haf] in Viet Nam (Woodward 2000). Distinct from Thai Sign Language [tsq], but contributed some vocabulary to it (Woodward 1997).

Language Use

Moribund. Used only in very limited social situations (Woodward and Wongchai 2015). Older adults only. All also use Thai Sign Language [tsq] (Woodward and Wongchai 2015).


Unwritten documents [Zxxx].

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