Where does “Грауров” come from?

Грауров (Bulgarian) comes from Romanian graur, from Latin graulus, from Latin grāculus, from Proto-Indo-European greh₂-k- — croak.

Ancestry of “Грауров”, step by step

StepLanguageWordMeaning
1Romaniangraurstarling; grey-spotted, gray-spotted
2Latingraulus—
3Latingrāculuschough
4Proto-Indo-Europeangreh₂-k-croak
Every word from Proto-Indo-European greh₂-k- →Every word from Latin grāculus →Every word from Latin graulus →