The surname Ramaswamy is a compound of the proper name “Rama” and the title “swami”.
Both of these words come from Sanskrit, an Indo-European language related (though distantly) to English.
Rama (Sanskrit ?????????) is a a Hindu deity and the central character of the Ramayana, one of the great Hindu epics along with the Mahabharata. His name is derived from the Proto-Indo-European (PIE) root *HreH-mó-s meaning “dark-colored”. He is normally depicted with dark blue skin. The word is related to the Sanskrit ?????????????????? (r????tri), “night”, from the same root.