고대 인도
The phonological peculiarities of the consonants proposed in the glottalic theory would be best preserved in Armenian and the Germanic languages. Proto-Greek would be practically equivalent to Mycenaean Greek from the 17th century BC and closely associate Greek migration to Greece with the Indo-Aryan migration to India at about the same time (the Indo-European expansion at the transition to the Late Bronze Age, including the possibility of Indo-European Kassites).