Where does “Гриев” come from?

Гриев (Bulgarian) comes from Romanian gri, from French gris, from Old Occitan gris, from Frankish grīs, from Proto-Germanic grīsaz — grey; terrible; frightening.

Ancestry of “Гриев”, step by step

StepLanguageWordMeaning
1Romaniangrigrey
2Frenchgrisgrey, gray; drunk, tipsy; gray
3Old Occitangris
4Frankishgrīsgrey
5Proto-Germanicgrīsazgrey; terrible; frightening
Every word from Proto-Germanic grīsazEvery word from Frankish grīsEvery word from Old Occitan gris