Where does “பதினேழு” come from?

பதினேழு (Tamil) comes from Tamil ஏழு, from Old Tamil 𑀏𑀵𑀼, from Proto-Dravidian *ēẓu.

Ancestry of “பதினேழு”, step by step

பதினேழு traces back through two separate lines of ancestry.

via Tamil ஏழு

StepLanguageWordMeaning
1Tamilஏழு(numeral:௭)
2Old Tamil𑀏𑀵𑀼seven
3Proto-Dravidian*ēẓu—

via Tamil பதின்

StepLanguageWordMeaning
1Tamilபதின்ten
2Tamilபத்துten (numeral: ௰)
Every word from Proto-Dravidian *ēẓu →Every word from Old Tamil 𑀏𑀵𑀼 →Every word from Tamil ஏழு →