Where does “Todoroff” come from?

Todoroff (Portuguese) comes from Bulgarian Тодоров, from Bulgarian -ов, from Old East Slavic -овъ, from Proto-Slavic -ovъ — of, belonging to.

Ancestry of “Todoroff”, step by step

StepLanguageWordMeaning
1BulgarianТодоров—
2Bulgarian-ов’s, -son, -s
3Old East Slavic-овъ—
4Proto-Slavic-ovъof, belonging to
Every word from Proto-Slavic -ovъ →Every word from Bulgarian -ов →Every word from Old East Slavic -овъ →