Pasto is a purported

Barbacoan language Barbacoan (also Barbakóan, Barbacoano, Barbacoana) is a language family spoken in Colombia and Ecuador. Genealogical relations The Barbacoan languages may be related to the Páez language. Barbacoan is often connected with the Paezan languages ...

that was spoken by indigenous people of Pasto, Colombia and

Carchi Province Carchi () is a province in Ecuador. The capital is Tulcán. The Carchi River rises on the slopes of Chiles volcano and forms the boundary between Colombia and Ecuador near Tulcan. Rumichaca Bridge is the most important land route between Col ...

, Ecuador. It is now extinct.

ISO issue

Prior to its retirement, the ISO name of the ISO code

 pb/code> was ''Barbacoas,'' the name of an extinct people who gave their name to the  Barbacoan language family of which Pasto is a member, as well as to the Colombian town of  Barbacoas.  However, nothing is known of their language, one of several also known as Colima (Loukotka 1968: 247), and it can only be assumed to be part of the Barbacoan family (Campbell 2012: 78). Such unattested, long-extinct languages are not normally assigned ISO codes.  ''MultiTree'' conflates Barbacoas with neighboring Pasto, which is well-enough attested for classification and assignment of an ISO code.  This does not however mean that the retired ISO code  pb/code> can be properly used for the Pasto language.

''Glottolog'' distinguishes unclassifiable  ast1243/code> 'Pasto' from unattested  arb1242/code> 'Barbacoas'.

 References





 Awan languages
 Extinct languages of South America
 Unattested languages of South America
 Unclassified languages of South America

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