designating or of a proposed language superfamily that includes the Indo-European, Afroasiatic, Dravidian, Uralic, and Altaic families
noun
this superfamily of languages
See Nostratic in American Heritage Dictionary 4
noun
A hypothetical language proposed as the parent language of Afro-Asiatic, Altaic, Dravidian, Indo-European, Kartvelian, Uralic-Yukaghir, and perhaps other language families.
Origin:
Origin: Danish nostratisk
Origin: , from Latin nostrās, nostrāt-, belonging to our country or people
Origin: , from noster, our, ours; see nes-2 in Indo-European roots