Definition of protolanguage in English:

protolanguage

Syllabification: pro·to·lan·guage
Pronunciation: /ˈprōtōˌlaNG(g)wij
 
/

noun

  • A hypothetical undocumented parent language from which actual languages are derived.
    More example sentences
    • His possible answer to this is that ‘the socio-cultural transition from protolanguages to modern languages took 60,000 years; but this seems unlikely in the light of modern evidence from creolization’ .
    • Here we have to turn to notions of exaptation, for language is a unique aptitude that doesn't seem to have emerged from protolanguage, and certainly did not do so directly.
    • From a linguistic perspective, any protolanguage would be merely embryonic.

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Word of the day mage
Pronunciation: meɪdʒ
noun
a magician or learned person