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

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

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

marks, boxes, or other symbols. Proto-Semitic is the reconstructed proto-language common ancestor to the Semitic language family. There is no consensus...

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

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

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

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

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

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

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

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

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

Proto-Polynesian (abbreviated PPn) is the hypothetical proto-language from which all the modern Polynesian languages descend. It is a daughter language...

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...

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

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-Norse was an Indo-European language spoken in Scandinavia that is thought to have evolved as a northern dialect of Proto-Germanic in the first centuries...

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...

Proto-Algic (sometimes abbreviated PAc) is the proto-language from which the Algic languages (Wiyot language, Yurok language, and Proto-Algonquian) are...

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

Proto-Sino-Tibetan (PST) is the hypothetical linguistic reconstruction of the Sino-Tibetan proto-language and the common ancestor of all languages in it...

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

Latin characters. Proto-Tocharian, also spelled Proto-Tokharian (/təˈkɛəriən/ or /təˈkɑːriən/), is the reconstructed proto-language of the extinct Tocharian...

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

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

Proto-Austroasiatic is the reconstructed ancestor of the Austroasiatic languages. Proto-Mon–Khmer (i.e., all Austroasiatic branches except for Munda)...

of proto-languages that have been reconstructed, ordered by geographic location. Proto-Afroasiatic Proto-Semitic Proto-Cushitic Proto-Berber Proto-Chadic...