Where does “Ясинувата” come from?

Ясинувата (Ukrainian) comes from Ukrainian ясен, from Proto-Slavic àsenь, from Proto-Indo-European Heh₃s- — ash tree.

Ancestry of “Ясинувата”, step by step

StepLanguageWordMeaning
1Ukrainianясенash, ash tree
2Proto-Slavicàsenьash tree
3Proto-Indo-EuropeanHeh₃s-ash tree
Every word from Proto-Indo-European Heh₃s-Every word from Proto-Slavic àsenьEvery word from Ukrainian ясен