Eelam

Eelam (Tamil: ஈழம், īḻam) also spelled Eezham, Ilam or Izham in English is the native Tamil name for the South Asian island state of Sri Lanka. Eelam is also a name for the spurge (a plant), toddy (an intoxicant) and gold. The exact etymology and the original meaning of the word are not clearly known, although there are number of conflicting theories. The Retroflex approximant l in Eelam is a unique phoneme for Dravidian languages, retained in closely related Tamil and Malayalam. Conventionally it has been represented in the Latin script with the digraph zh.

Read more about Eelam:  History of The Term, Cognate Terms