Where does “Ramanujan” come from?

Ramanujan (English) comes from Tamil இராமானுசன், from Sanskrit रामानुज, from Sanskrit अनुज, from Sanskrit अनु-, from Sanskrit स्वर्, from Proto-Indo-Iranian súHar, from Proto-Indo-European sóh₂wl̥ — sun.

Ancestry of “Ramanujan”, step by step

StepLanguageWordMeaning
1Tamilஇராமானுசன்
2Sanskritरामानुज‘younger brother of राम’; N. of a celebrated...
3Sanskritअनुजa younger brother
4Sanskritअनु-after, along, alongside; near to, with; according...
5Sanskritस्वर्the sun; sunshine, light; sky, heaven
6Proto-Indo-IraniansúHarthe sun
7Proto-Indo-Europeansóh₂wl̥sun
Every word from Proto-Indo-European sóh₂wl̥Every word from Proto-Indo-Iranian súHarEvery word from Sanskrit स्वर्