linguistic monogenesis linguistic monogenesis Proto-Human language https://en.wikipedia.org/wiki/Proto-Human_language Proto-Human language monogénesis linguistic monogenesis linguistic monogenesis Proto-Human language linguistic monogenesis https://en.wikipedia.org/wiki/Proto-Human_language linguistic monogenesis Proto-Human language this table Proto-Human language English proto-human Proto-Human language the first two handfuls of words Ur-language linguistic monogenesis ur-language linguistic monogenesis Proto-Human language Proto-Human language#Vocabulary mother tongue http://en.wikipedia.org/wiki/Proto-Human_language linguistic monogenesis Proto-Human Language ProtoLanguage some 50–100 thousand years ago linguistic monogenesis https://en.wikipedia.org/wiki/Proto-Human_language Proto-Human http://en.wikipedia.org/wiki/Proto-Human_language English English http://en.wikipedia.org/wiki/Proto-Human_language English Proto-Human Language Proto-Human Proto-Human language Her https://en.wikipedia.org/wiki/Proto-Human_language Proto-World Proto-Human language Ruhlen did in 1994 linguistic monogenesis Proto-Human language some 50–100 thousand years ago http://en.wikipedia.org/wiki/Proto-Human_language Proto-Human language linguistic monogenesis ur-language Proto-Human language Proto-Human Language English Proto-Human language https://en.wikipedia.org/wiki/Proto-Human_language https://en.wikipedia.org/wiki/Proto-Human_language Proto-Human language Proto-Human language