From Urdu گولْکُنْڈَہ (golkunḍa), itself from Telugu గొల్లకొండ (gollakoṇḍa), from గొల్ల (golla, “of or pertaining to shepherds”) + కొండ (koṇḍa, “hill”).
Practice speaking and memorizing "Golconda" and many other words and sentences in English.