The term "primordial" means from the time started or from the beginning, ancient.
Language has been a part of our system from the time people inhabitate the lands. In early time people lives in cave as a group of few people. They try to communicate through different types of postures, signs and pictorial representations.
As time passed people stared living in communities and tribes. They started to communicate using different languages to understand each other and pass the information. Thus different tribes or different races has their own different language which are completely different from each other.
Hence, the primordial search for " Ur language" leads to the racial disparities.
Without food people became malnourished therefore a decrease of population due to famine so no births and productivity since people were too weak to work.
