Noun
protolanguage (countable and uncountable, plural protolanguages)
Alternative form of proto-language
Especially in Finland there has been a growing tendency to reject the Finno-Ugric intermediate protolanguage. Source: Internet
In this process, in between the two levels of the simple protolanguage system (the "expression" and "content" pairing of the Saussure's sign), an additional level of content is inserted. Source: Internet
The full reconstruction of an unrecorded protolanguage is an open-ended task. Source: Internet