Where does “Dealu” come from?

Dealu (Romanian) comes from Romanian deal, from Old Church Slavonic дѣлъ, from Proto-Slavic dělъ — part.

Ancestry of “Dealu”, step by step

StepLanguageWordMeaning
1Romaniandealhill
2Old Church Slavonicдѣлъ
3Proto-Slavicdělъpart
Every word from Proto-Slavic dělъEvery word from Old Church Slavonic дѣлъEvery word from Romanian deal