Where does “Cosovo” come from?

Cosovo (Portuguese) comes from Serbo-Croatian Kȍsovo, from Serbo-Croatian Kosovo polje.

Ancestry of “Cosovo”, step by step

StepLanguageWordMeaning
1Serbo-CroatianKȍsovoa microregion in the Balkans, comprising the Sitnica river basin, including the cities of Mitrovica, Podujevo, Priština and Ferizaj
2Serbo-CroatianKosovo polje
Every word from Serbo-Croatian Kosovo poljeEvery word from Serbo-Croatian Kȍsovo