Where does “உண்டாகு” come from?

உண்டாகு (Tamil) comes from Tamil ஆகு, from Proto-Dravidian *ā-k-.

Ancestry of “உண்டாகு”, step by step

உண்டாகு traces back through two separate lines of ancestry.

via Tamil ஆகு

StepLanguageWordMeaning
1Tamilஆகு—
2Proto-Dravidian*ā-k-—

via Tamil உண்டு

StepLanguageWordMeaning
1Tamilஉண்டுthere is finite verb denoting existence
Every word from Proto-Dravidian *ā-k- →Every word from Tamil ஆகு →