twardogłowy (Polish) comes from Polish głowa, from Polish -ka, from Old Polish -ka, from Proto-Slavic -ъka, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...
twardogłowy (Polish): diehard
Definitions
diehard
Ancestry of “twardogłowy”, step by step
twardogłowy traces back through two separate lines of ancestry.