Where does “tvrdohlavost” come from?
tvrdohlavost (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.
tvrdohlavost (Czech): stubbornness
Ancestry of “tvrdohlavost”, step by step