Urdu in its less formalised register has been called a rekhta ( Ø Û Ø Ø Û , ( reË xtÌ aË ) ) , meaning `` rough mixture '' . Urdu in its less formalised register has been referred to as a rekhta ( Ø Û Ø Ø Û , ( reË xtÌ aË ) ) , meaning `` rough mixture '' .