Where does “Tuana” come from?

Tuana (Turkish) comes from Persian توانا, from Persian توان, from Proto-Indo-European tewh₂- — to swell; to crowd; to be strong.

Ancestry of “Tuana”, step by step

StepLanguageWordMeaning
1Persianتواناpowerful
2Persianتوانpresent stem form of توانستن; power; exponent
3Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong
Every word from Proto-Indo-European tewh₂- →Every word from Persian توان →Every word from Persian توانا →