Where does “باور کردن” come from?

باور کردن (Persian) comes from Persian کردن, from Middle Persian krtn', from Old Persian kar-, from Proto-Indo-Iranian kar-, from Proto-Indo-European kʷer- — to do; to make; to build.

باور کردن (Persian): to believe

Definitions

to believe

Ancestry of “باور کردن”, step by step

باور کردن traces back through two separate lines of ancestry.

via Persian کردن

Step	Language	Word	Meaning
1	Persian	کردن	to do; to make; to engage in a sexual act with
2	Middle Persian	krtn'	—
3	Old Persian	kar-	to do, make, build
4	Proto-Indo-Iranian	kar-	to do, make
5	Proto-Indo-European	kʷer-	to do; to make; to build

via Persian باور

Step	Language	Word	Meaning
1	Persian	باور	belief
2	Avestan	??????	in belief
3	Proto-Indo-European	upó	under, below
4	Proto-Indo-European	h₃ewp-	—

Every word from Proto-Indo-European kʷer- →Every word from Proto-Indo-Iranian kar- →Every word from Old Persian kar- →