Where does “ناتوان” come from?

ناتوان (Persian) comes from Persian ناـ, from Proto-Indo-Iranian ná, from Proto-Indo-European né — not; no.

ناتوان (Persian): feeble, powerless

Definitions

  1. feeble, powerless

Ancestry of “ناتوان”, step by step

ناتوان traces back through two separate lines of ancestry.

via Persian ناـ

StepLanguageWordMeaning
1Persianناـun-, non-, in
2Proto-Indo-Iraniannáno, not
3Proto-Indo-Europeannénot; no

via Persian توان

StepLanguageWordMeaning
1Persianتوانpresent stem form of توانستن; power; exponent
2Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong
Every word from Proto-Indo-European né →Every word from Proto-Indo-Iranian ná →Every word from Persian ناـ →