Where does “tvrdohlavě” come from?
tvrdohlavě (Czech) comes from Czech tvrdohlavý, from Czech hlava, from Old Czech hlava, from Proto-Slavic golvà, from Proto-Balto-Slavic galˀwā́ˀ, from Proto-Indo-European gelH- — naked; head.
tvrdohlavě (Czech): stubbornly
Ancestry of “tvrdohlavě”, step by step