Where does “Morozov” come from?

Morozov (Portuguese) comes from Russian Моро́зов, from Russian моро́з, from Old East Slavic морозъ, from Proto-Slavic mòrzъ — frost.

Ancestry of “Morozov”, step by step

StepLanguageWordMeaning
1RussianМоро́зовone of the most common Russian surnames
2Russianморо́зfreezing weather, frost
3Old East Slavicморозъfrost
4Proto-Slavicmòrzъfrost
Every word from Proto-Slavic mòrzъ →Every word from Old East Slavic морозъ →Every word from Russian моро́з →