Where does “ива” come from?

ива (Old East Slavic) comes from Proto-Slavic jьva, from Proto-Balto-Slavic *éiˀwāˀ, from Proto-Indo-European *h₁eyHw- — yew.

Ancestry of “ива”, step by step

StepLanguageWordMeaning
1Proto-Slavicjьvawillow
2Proto-Balto-Slavic*éiˀwāˀ—
3Proto-Indo-European*h₁eyHw-yew

Words derived from “ива”

Every word from Proto-Indo-European *h₁eyHw- →Every word from Proto-Balto-Slavic *éiˀwāˀ →Every word from Proto-Slavic jьva →