Where does “именовати” come from?

именовати (Old East Slavic) comes from Proto-Slavic *jьmenovati — to name.

Ancestry of “именовати”, step by step

StepLanguageWordMeaning
1Proto-Slavic*jьmenovatito name
Every word from Proto-Slavic *jьmenovati
именовати — Etymology, Origin & Word History | Etymology Explorer