proto-language
postulated common ancestor of a language family
Proto-Indo-European
ancestor of the Indo-European languages
Proto-Oceanic
reconstructed ancestor of the Oceanic languages
Proto-Celtic
proto-language
Indo-Hittite
hypothetical proto-language
Proto-Romance
comparatively reconstructed language
Proto-Armenian
language
Proto-Philippine
Reconstructed ancestor of the Philippine languages
Proto-Altaic
proposed reconstruction of an Asian language
Proto-Tocharian
reconstructed proto-language
Proto-Niger-Congo
reconstructed proto-language
Proto-Austronesian
reconstructed ancestor of the Austronesian languages
Proto-Germanic
proto-language of the Germanic languages
Proto-Human
proposed common ancestor to all known languages
Proto-Slavic
proto-language of all the Slavic languages
Proto-Greek
last common ancestor of all varieties of Greek
Proto-Anatolian
reconstructed ancestor of the Anatolian languages
Proto-West Germanic
common ancestor of the West Germanic languages
Proto-Mixtec
proto-language
Proto-Munda
reconstructed proto-language of the Munda languages of South Asia
Proto-Micronesian
reconstructed ancestor of the Micronesian languages
Proto-Semitic
hypothetical proto-language ancestral to the historical Semitic languages of the Middle East
Proto-Norse
progenitor of the North Germanic languages
Proto-Mongolic
reconstructed ancestor of the Mongolic languages
Proto-Turkic
reconstructed ancestor of Turkic languages
Proto-Tai
reconstructed ancestor of the Tai languages
Proto-Circassian
reconstructed ancestor of the Circassian languages
Proto-Georgian-Zan
reconstructed ancestor of the Karto-Zan languages
Proto-Indo-Aryan
protolanguage of the Indo-Aryan language family
Proto-Romanian
comparatively reconstructed common ancestor of the Balkan Romance languages
Proto-Polynesian
hypothetical proto-language from which modern Polynesian languages descend, a daughter language of the Proto-Austronesian
Proto-Northwest Caucasian
reconstructed ancestor of the Northwest Caucasian languages
Proto-Finnic
reconstructed protolanguage of the Baltic-Finnic languages
Proto-Admiralty Islands
reconstructed ancestor of the Admiralty Islands languages
Proto-Indo-Iranian
reconstructed proto-language of the Indo-Iranian branch of Indo-European
Proto-Berber
reconstructed ancestor of the Berber languages
Proto-Algonquian
reconstructed ancestor of the Algonquian languages
Proto-Albanian
reconstructed ancestor of the Albanian languages
Proto-Chinese
reconstructed ancestor of the Chinese languages
Proto-Arawakan
proto-language
Proto-Central Pacific
reconstructed ancestor of the Central Pacific languages
Proto-Uralic
proto-language
Proto-Basque
proto-language
Proto-Iranian
reconstructed ancestor language of Persian, Avestan, Kurdish, Pashto and others
Proto-Iroquoian
reconstructed ancestor of the Iroquoian languages
Proto-Italic
Ancestor of Latin and other Italic languages
Proto-Min
comparative reconstruction of the common ancestor of the Min group of varieties of Chinese