Original sentence: Parts of Sri Lanka were under the rule of Tamil kings for extended periods of time in history
Edited sentence: Dvipa mean island in both Sanskrit ans Sinhalese Language Sinmhala + Dvipa becaomes  Sanskrit Simhaladvipa Which means Island of Sinhalese.Parts of Sri Lanka were under the rule of Tamil invaders time to time in history.Sinhala (Sinhalese) are an ethnic group native to the island of Sri Lanka who has build the civilization in this country , the documented history that spans over 3,000 years