Where does “நீரிணை” come from?

நீரிணை (Tamil) comes from Tamil நீர், from Old Tamil 𑀦𑀻𑀭𑁰, from Proto-Dravidian nīr — you; water.

Ancestry of “நீரிணை”, step by step

நீரிணை traces back through two separate lines of ancestry.

via Tamil நீர்

StepLanguageWordMeaning
1Tamilநீர்water
2Old Tamil𑀦𑀻𑀭𑁰y'all
3Proto-Dravidiannīryou; water

via Tamil இணை

StepLanguageWordMeaning
1Tamilஇணைto join, unite, conjoin, combine
Every word from Proto-Dravidian nīr →Every word from Old Tamil 𑀦𑀻𑀭𑁰 →Every word from Tamil நீர் →