These Tajiks (as they are usually called) form the underlying population of Persia, Baluchistan, Afghanistan and Badakshan, and their language (in the central districts of Asia) is found to contain words of Aryan or Sanskrit derivation which are not known in Persian.
Sanskrit babhrus, brown, the great ichneumon, Lat.
The Greek word c'eiceavos is related to the Sanskrit arayanas, " the encompassing."
In 1902 was brought out at Calcutta Sarat Chandra Das's Tibetan English Dictionary with Sanskrit synonyms, a massive volume compiled with the aid of Tibetan lamas and edited by Graham Sandberg and the Moravian missionary A.
In the effort to escape from the vulgar, words of Sanskrit origin have been freely adopted and many Cambodian words are also used.