Where does “Tęczyński” come from?
Tęczyński (Polish) comes from Polish tęcza, from Proto-Slavic tǫča, from Proto-Indo-European tenk- — to be solid, firm; to be suitable; to succeed,...
Tęczyński (Polish) comes from Polish tęcza, from Proto-Slavic tǫča, from Proto-Indo-European tenk- — to be solid, firm; to be suitable; to succeed,...