Columbia subject headings:
Names, Geographical--Sri Lanka--Etymology.
Sīhaḷa (The Pali word)
Tamil language--Etymology.
Īl̲am (The Tamil word)
Harvard subject headings:
Names, Geographical--Sri Lanka.
Sinhalese language--Etymology.
Sri Lanka--Languages.
Tamil language--Etymology.
Toponymy
Princeton subject headings:
Names, Geographical--Sri Lanka.
Sinhalese language--Etymology.
Tamil language--Etymology.