Where does “jednomyślność” come from?
jednomyślność (Polish) comes from Polish jednomyślny, from Polish jeden, from Old Polish jeden, from Proto-Slavic edìnъ, from Proto-Balto-Slavic edīˀnas, from Proto-Balto-Slavic aiˀnas, from Proto-Indo-European óynos — one; single.
jednomyślność (Polish): unanimity, consensus
Ancestry of “jednomyślność”, step by step