characters. Proto-Indo-European (PIE) is the reconstructed common ancestor of the Indo-European language family. No direct record of Proto-Indo-European...

of historical linguistics, a proto-language is a postulated ancestral language from which a number of attested languages are believed to have descended...

characters and Latin characters. Proto-Germanic (abbreviated PGmc; also called Common Germanic) is the reconstructed proto-language of the Germanic branch of...

Proto-Uralic is the unattested reconstructed language ancestral to the modern Uralic language family. The reconstructed language is thought to have been...

Proto-Slavic (abbreviated PSl., PS.; also called Common Slavic or Common Slavonic) is the unattested, reconstructed proto-language of all Slavic languages...

Proto-North Dravidian, Proto-Central Dravidian, and Proto-South Dravidian, although the date of diversification is still debated. As a proto-language...

question marks, boxes, or other symbols. Proto-Semitic is the reconstructed common ancestor of the Semitic languages. There is no consensus regarding the...

The Proto-Human language, also known as Proto-Sapiens, Proto-World, or the Urlanguage is the hypothetical direct genetic predecessor of all human languages...

Proto-Japonic, Proto-Japanese, or Proto-Japanese–Ryukyuan is the reconstructed language ancestral to the Japonic language family. It has been reconstructed...

The Proto-Greek language (also known as Proto-Hellenic) is the Indo-European language which was the last common ancestor of all varieties of Greek, including...

Proto-Austronesian (commonly abbreviated as PAN or PAn) is a proto-language. It is the reconstructed ancestor of the Austronesian languages, one of the...

Proto-Celtic, or Common Celtic, is the hypothetical ancestral proto-language of all known Celtic languages, and a descendant of Proto-Indo-European. It...

Proto-Afroasiatic (PAA), also known as Proto-Hamito-Semitic, Proto-Semito-Hamitic, and Proto-Afrasian, is the reconstructed proto-language from which all...

Austronesian language family. Proto-Oceanic is a descendant of the Proto-Austronesian language (PAN), the common ancestor of the Austronesian languages. Proto-Oceanic...

topic of: Proto-Turkic Proto-Turkic is the linguistic reconstruction of the common ancestor of the Turkic languages that was spoken by the Proto-Turks before...

The Proto-Kartvelian language, or Common Kartvelian (Georgian: წინარექართველური ენა, romanized: ts'inarekartveluri ena, Georgian: პროტოქართველური ენა...

Proto-Tai is the reconstructed proto-language (common ancestor) of all the Tai languages, including modern Lao, Shan, Tai Lü, Tai Dam, Ahom, Northern Thai...

Proto-Baltic (PB, PBl, Common Baltic) is the unattested, reconstructed ancestral proto-language of all Baltic languages. It is not attested in writing...

Proto-Polynesian (abbreviated PPn) is the reconstructed proto-language from which all modern Polynesian languages descend. It is a descendant of the Proto-Oceanic...

Proto-Berber or Proto-Libyan is the reconstructed proto-language from which the modern Berber languages descend. Proto-Berber was an Afroasiatic language...

Proto-Indo-Iranian, also called Proto-Indo-Iranic or Proto-Aryan, is the reconstructed proto-language of the Indo-Iranian branch of Indo-European. Its...

The Proto-Italic language is the ancestor of the Italic languages, most notably Latin and its descendants, the Romance languages. It is not directly attested...

Proto-Anatolian is the proto-language from which the ancient Anatolian languages emerged (i.e. Hittite and its closest relatives). As with almost all other...

Proto-Armenian is the earlier, unattested stage of the Armenian language which has been reconstructed by linguists. As Armenian is the only known language...

Proto-Algonquian (commonly abbreviated PA) is the proto-language from which the various Algonquian languages are descended. It is generally estimated to...

Proto-Iranian or Proto-Iranic is the reconstructed proto-language of the Iranian languages branch of Indo-European language family and thus the ancestor...

Proto-Balto-Slavic (PBS or PBSl) is a reconstructed hypothetical proto-language descending from Proto-Indo-European (PIE). From Proto-Balto-Slavic, the...

Proto-Basque (Basque: aitzineuskara; Spanish: protoeuskera, protovasco; French: proto-basque) is a reconstructed ancient stage of the Basque language...

Proto-Inuit is the reconstructed proto-language of the Inuit languages, probably spoken about 1000 years BP by the Neo-Eskimo Thule people. It evolved...

Proto-Arabic is the name given to the hypothetical reconstructed ancestor of all the varieties of Arabic attested since the 9th century BC. There are...