Where does “எட்நூறு” come from?

எட்நூறு (Tamil) comes from Tamil எட்டு, from Proto-Dravidian *eṇṭṭu.

Ancestry of “எட்நூறு”, step by step

எட்நூறு traces back through two separate lines of ancestry.

via Tamil எட்டு

StepLanguageWordMeaning
1Tamilஎட்டுeight
2Proto-Dravidian*eṇṭṭu—

via Tamil நூறு

StepLanguageWordMeaning
1Tamilநூறுhundred
Every word from Proto-Dravidian *eṇṭṭu →Every word from Tamil எட்டு →