Sri Lankan sign languages

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Sri Lankan sign
Native toSri Lanka
Native speakers
unknown number of 13,000 deaf people (1986)[1]
Language codes
ISO 639-3sqs

Sri Lankan Sign Language is a visual language used by deaf people in Sri Lanka and has regional variations stemming from the 25 Deaf schools in Sri Lanka.


Wittmann (1991)[3] posits that the Sri Lankan languages, as a group, are a language isolate ('prototype' sign language), though one developed through stimulus diffusion from an existing sign language. It is not known if they are related to each other, nor how many there are.


  1. ^ Sri Lankan sign at Ethnologue (18th ed., 2015)
  2. ^ Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, eds. (2017). "Sri Lankan Sign Language". Glottolog 3.0. Jena, Germany: Max Planck Institute for the Science of Human History.
  3. ^ Wittmann, Henri (1991). "Classification linguistique des langues signées non vocalement." Revue québécoise de linguistique théorique et appliquée 10:1.215–88.[1]

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