Where does “Epir” come from?

Epir (Polish) comes from Latin Ēpīrus, from Ancient Greek Ἤπειρος, from Proto-Hellenic ā́peřřos, from Proto-Indo-European Heh₂per-.

Ancestry of “Epir”, step by step

StepLanguageWordMeaning
1LatinĒpīrus—
2Ancient GreekἬπειροςEpirus; mainland
3Proto-Hellenicā́peřřos—
4Proto-Indo-EuropeanHeh₂per-—
Every word from Proto-Indo-European Heh₂per- →Every word from Proto-Hellenic ā́peřřos →Every word from Ancient Greek Ἤπειρος →