The story
- Serbo-Croatian · borrowed fromКосово поље“blackbirds’ field”
- English todayKosovo
Shortened form of Serbo-Croatian Косово поље (“blackbirds’ field”), from косово (kosovo), possessive form of кос (kos, “blackbird”), and поље (polje, “field”).
Etymology from Wiktionary, CC BY-SA 4.0.