Azerbaijani: çün
Persian: çun
Means: because
Origin: Persian
Azerbaijani: üçün üç+ün
old-Turkic: uçun
Means: because of
Origin: old-Turkic
So, can somebody explain how this is possible?
More Explain:
It is not possible that üçün has been made using üç+ün
We don't have ün/un suffix in Turkic.
I think it was like "O çun" means "because of that" and cause of accent transformed to "üçün", cause you know in Turkic we can't have O and Ü together in one word.