Kassites

The Kassites (/ˈkæsaɪts/) were people of the ancient Near East, who controlled Babylonia after the fall of the Old Babylonian Empire c. 1531 BC and until c. 1155 BC (short chronology). The endonym of the Kassites was probably Galzu, although they have also been referred to by the names Kaššu, Kassi, Kasi or Kashi.

Quotes

 * But as a whole they were not Aryans. Though they adopted the Babylonian language and culture, the local scribes  have recorded the Kassite names for god, star, heaven, wind, man,  foot, etc. ; not one of these is in the least Indo-European. Moreover,  the majority of the personal names of the period ...  suggest rather a kinship between the Kassites and the Asianic folk  to the north-west. Yet in the names of their kings occur elements  recalling Indo-Iranian deities — SuriaS (Sun-god cf . Sans. Surya) IndaS  (cf. Sans. Indra)y MaruttaS (cf. Sans. Mantiah, storm-gods) and  -bugaS (cf. Iran, baga, god). Moreover, these Kassites introduced  the use of the horse for drawing chariots into the Ancient East and  its later Babylonian name sitsu seems to be derived from the Indo-  Iranian form ^asm (Sans. aim). It is then highly probable that  the Kassite invasion was due to the pressure of Aryan tribes on the  highlands of Iran, and that its leaders were actually Aryan princes.
 * Childe, The Aryans. quoted in Talageri, The Aryan Invasion Theory and Indian Nationalism (1993)