Sign Language: Portuguese Sign Language

Subclassification references
Comments on subclassification

Although there is a historical connection to 19th century Swedish Sign language ( Woll, Bencie and Sutton-Spence, R. and Elton, F. 2001 ):29, visible at least in the fingerspelling alphabet, lexical comparison shows that Portuguese Sign Language does not belong to the Swedish Sign language family ( Simon Brudzewski 2025 ).

AES status:
shifting
Source:
Campbell, Lyle and Lee, Nala Huiying and Okura, Eve and Simpson, Sean and Ueki, Kaori 2022
Comment:
Portuguese Sign Language (7358-psr) = Threatened (20 percent certain, based on the evidence available)

(see Lewis 2009)

Marker
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References