Proto-language
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A proto-language is a language which was the common ancestor of related languages that form a language family. The German term Ursprache (derived from the prefix Ur- "primordial" and Sprache "language") is occasionally used as well.
In most cases, the ancestral proto-language is not known directly and it has to be reconstructed by comparing different members of the language family via a technique called the comparative method. Through this process only a part of the proto-language's structure and vocabulary can be reconstructed; the reconstruction remains the more fragmentary the more ancient the proto-language in question relative to the number of its descendants. Examples of unattested but (partially) reconstructed proto-languages include Proto-Indo-European, Proto-Uralic, Proto-Bantu and Proto-Paman. Sometimes, however, the proto-language is a language which is known from inscriptions, an example being the Proto-Norse language attested in the Elder Futhark runic inscriptions, or very well-known, such as Latin (ancestor of the Romance Languages).
[edit] See also
br:Kentyezhcs:Prajazyk de:Protosprache el:Πρωτογλώσσα es:Protolengua fr:Protolangue he:שפה אם lt:Prokalbė ja:祖語 no:Urspråk pl:Prajęzyk rmy:Angluni chhib ru:Праязык fi:Kantakieli zh:祖語
