Where does “எப்போது” come from?

எப்போது (Tamil) comes from Tamil எ-, from Proto-Turkic yā-, from Proto-Tocharian *iyā-, from Proto-Indo-European yeh₂- — to go; to go in, enter; to ride, to travel.

Ancestry of “எப்போது”, step by step

StepLanguageWordMeaning
1Tamilஎ-what, which
2Proto-Turkicyā-
3Proto-Tocharian*iyā-to go, travel
4Proto-Indo-Europeanyeh₂-to go; to go in, enter; to ride, to travel

Words derived from “எப்போது

Every word from Proto-Indo-European yeh₂-Every word from Tamil எ-Every word from Proto-Tocharian *iyā-