from The Century Dictionary.
- noun One of the minor Dravidian languages of India spoken by the Kotars.
Sorry, no etymologies found.
Virovitica-Podravina, Vukovar-Srijem, Zadar-Knin, Zagreb note: there are two special self-governing districts (kotari, kotar -- singular) under local Serb control: Glina, Knin
Any one could be further developed in different ways region of Ravni kotari inland Dalmatia, Croatia - before war region with mixed population