Where does “Dolyna” come from?

Dolyna (English) comes from Ukrainian долина, from Proto-Slavic dolina, from Proto-Slavic dolъ, from Proto-Indo-European dʰal-.

Ancestry of “Dolyna”, step by step

StepLanguageWordMeaning
1Ukrainianдолинаvalley; vale, dale
2Proto-Slavicdolinavalley
3Proto-Slavicdolъvalley; depression, pit
4Proto-Indo-Europeandʰal-—
Every word from Proto-Indo-European dʰal- →Every word from Proto-Slavic dolъ →Every word from Proto-Slavic dolina →