Basically Urdu is the real name of the language initially it was came in to being. It was widely spoken and understood in the soldiers community of Mughal Emperiors. When they found, people from all the languages are communicating in a language which is the mixture of Arabic, Persian, Turkish and local languages, they started promoting it. It was named URDU-E-MO'ALLA which remain Urdu later. Word URDU itself came from Turkish language.
When Urdu got its recognition at the time of independance movement of Pakistan, Hindu community tried to own it giving its script taken from Sanskrit.
Now, after 60 years, both the languages are same in casual speaking. Adding Sanskrit words now distinguished Hindi from Urdu in literature.
Any way, Next word given was
SUST.