Nos·trat·ic (nə-strāt'ĭk) n. A hypothetical language proposed as the parent language of Afro-Asiatic, Altaic, Dravidian, Indo-European, Kartvelian, Uralic-Yukaghir, and perhaps other language families.
[Danish nostratisk, from Latin nostrās, nostrāt-, belonging to our country or people, from noster, our, ours; see nes-2 in Indo-European roots.]