Where does “அப்போது” come from?

அப்போது (Tamil) comes from Tamil அ-, from Sanskrit अ-, from Proto-Indo-Iranian a-, from Proto-Indo-European n̥-, from Proto-Indo-European ne — not.

Ancestry of “அப்போது”, step by step

StepLanguageWordMeaning
1Tamilஅ-that
2Sanskritअ-un-, not; Used in the formation of imperfect,...
3Proto-Indo-Iraniana-un-, a-
4Proto-Indo-Europeann̥-not, un-
5Proto-Indo-Europeannenot
Every word from Proto-Indo-European ne →Every word from Sanskrit अ- →Every word from Proto-Indo-European n̥- →
அப்போது — Etymology, Origin & Word History | Etymology Explorer