Where does “நாளிதழ்” come from?

நாளிதழ் (Tamil) comes from Tamil நாள், from Old Tamil 𑀦𑀸𑀴𑁆, from Proto-Dravidian *nāḷ.

Ancestry of “நாளிதழ்”, step by step

நாளிதழ் traces back through two separate lines of ancestry.

via Tamil நாள்

StepLanguageWordMeaning
1Tamilநாள்day
2Old Tamil𑀦𑀸𑀴𑁆day
3Proto-Dravidian*nāḷ—

via Tamil இதழ்

StepLanguageWordMeaning
1Tamilஇதழ்petal, a leaf of the corolla
Every word from Proto-Dravidian *nāḷ →Every word from Old Tamil 𑀦𑀸𑀴𑁆 →Every word from Tamil நாள் →